Home / 77,309,120.63-115,963,681.01-23,456,432.63

Finding the Fourth Proportional to 77,309,120.63, 115,963,681.01 and 23,456,432.63

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Solution

The fourth proportional to 77,309,120.63, 115,963,681.01 and 23,456,432.63 is: 35,184,648.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,309,120.63 : 115,963,681.01 = 23,456,432.63 : x
  2. Step 2: Convert to fraction form
    77,309,120.63/115,963,681.01 = 23,456,432.63/x
  3. Step 3: Cross multiply
    77,309,120.63x = 115,963,681.01 × 23,456,432.63
  4. Step 4: Simplify right side
    77,309,120.63x = 2,720,094,270,440,774.50
  5. Step 5: Solve for x
    x = 2,720,094,270,440,774.50/77,309,120.63
  6. Step 6: Final answer
    x = 35,184,648.96

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.