Home / 130,540,715.60-180,149,585.16-71,804,894

Finding the Fourth Proportional to 130,540,715.60, 180,149,585.16 and 71,804,894

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Solution

The fourth proportional to 130,540,715.60, 180,149,585.16 and 71,804,894 is: 99,092,622.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,540,715.60 : 180,149,585.16 = 71,804,894 : x
  2. Step 2: Convert to fraction form
    130,540,715.60/180,149,585.16 = 71,804,894/x
  3. Step 3: Cross multiply
    130,540,715.60x = 180,149,585.16 × 71,804,894
  4. Step 4: Simplify right side
    130,540,715.60x = 12,935,621,866,557,772
  5. Step 5: Solve for x
    x = 12,935,621,866,557,772/130,540,715.60
  6. Step 6: Final answer
    x = 99,092,622.61

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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.