Home / 77,201,242.40-115,805,587.74-25,384,697.84

Finding the Fourth Proportional to 77,201,242.40, 115,805,587.74 and 25,384,697.84

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Solution

The fourth proportional to 77,201,242.40, 115,805,587.74 and 25,384,697.84 is: 38,078,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,201,242.40 : 115,805,587.74 = 25,384,697.84 : x
  2. Step 2: Convert to fraction form
    77,201,242.40/115,805,587.74 = 25,384,697.84/x
  3. Step 3: Cross multiply
    77,201,242.40x = 115,805,587.74 × 25,384,697.84
  4. Step 4: Simplify right side
    77,201,242.40x = 2,939,689,852,963,508.50
  5. Step 5: Solve for x
    x = 2,939,689,852,963,508.50/77,201,242.40
  6. Step 6: Final answer
    x = 38,078,271.30

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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.