Home / 130,915,461.71-180,835,790.12-97,036,700.53

Finding the Fourth Proportional to 130,915,461.71, 180,835,790.12 and 97,036,700.53

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Solution

The fourth proportional to 130,915,461.71, 180,835,790.12 and 97,036,700.53 is: 134,038,471.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,915,461.71 : 180,835,790.12 = 97,036,700.53 : x
  2. Step 2: Convert to fraction form
    130,915,461.71/180,835,790.12 = 97,036,700.53/x
  3. Step 3: Cross multiply
    130,915,461.71x = 180,835,790.12 × 97,036,700.53
  4. Step 4: Simplify right side
    130,915,461.71x = 17,547,708,410,980,374
  5. Step 5: Solve for x
    x = 17,547,708,410,980,374/130,915,461.71
  6. Step 6: Final answer
    x = 134,038,471.71

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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.