Home / 77,323,820.44-115,909,118.02-36,309,840.51

Finding the Fourth Proportional to 77,323,820.44, 115,909,118.02 and 36,309,840.51

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Solution

The fourth proportional to 77,323,820.44, 115,909,118.02 and 36,309,840.51 is: 54,428,784.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,323,820.44 : 115,909,118.02 = 36,309,840.51 : x
  2. Step 2: Convert to fraction form
    77,323,820.44/115,909,118.02 = 36,309,840.51/x
  3. Step 3: Cross multiply
    77,323,820.44x = 115,909,118.02 × 36,309,840.51
  4. Step 4: Simplify right side
    77,323,820.44x = 4,208,641,588,960,966.50
  5. Step 5: Solve for x
    x = 4,208,641,588,960,966.50/77,323,820.44
  6. Step 6: Final answer
    x = 54,428,784.88

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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.