Home / 117,452,545.60-176,178,818.40-87,219,457.60

Finding the Fourth Proportional to 117,452,545.60, 176,178,818.40 and 87,219,457.60

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Solution

The fourth proportional to 117,452,545.60, 176,178,818.40 and 87,219,457.60 is: 130,829,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,452,545.60 : 176,178,818.40 = 87,219,457.60 : x
  2. Step 2: Convert to fraction form
    117,452,545.60/176,178,818.40 = 87,219,457.60/x
  3. Step 3: Cross multiply
    117,452,545.60x = 176,178,818.40 × 87,219,457.60
  4. Step 4: Simplify right side
    117,452,545.60x = 15,366,220,981,456,900
  5. Step 5: Solve for x
    x = 15,366,220,981,456,900/117,452,545.60
  6. Step 6: Final answer
    x = 130,829,186.40

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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.