Home / 130,754,424.89-180,449,293.25-72,017,068.29

Finding the Fourth Proportional to 130,754,424.89, 180,449,293.25 and 72,017,068.29

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Solution

The fourth proportional to 130,754,424.89, 180,449,293.25 and 72,017,068.29 is: 99,388,063.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,754,424.89 : 180,449,293.25 = 72,017,068.29 : x
  2. Step 2: Convert to fraction form
    130,754,424.89/180,449,293.25 = 72,017,068.29/x
  3. Step 3: Cross multiply
    130,754,424.89x = 180,449,293.25 × 72,017,068.29
  4. Step 4: Simplify right side
    130,754,424.89x = 12,995,429,074,507,402
  5. Step 5: Solve for x
    x = 12,995,429,074,507,402/130,754,424.89
  6. Step 6: Final answer
    x = 99,388,063.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.