Home / 93,312,768.30-139,969,152.45-87,639,398.70

Finding the Fourth Proportional to 93,312,768.30, 139,969,152.45 and 87,639,398.70

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Solution

The fourth proportional to 93,312,768.30, 139,969,152.45 and 87,639,398.70 is: 131,459,098.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,768.30 : 139,969,152.45 = 87,639,398.70 : x
  2. Step 2: Convert to fraction form
    93,312,768.30/139,969,152.45 = 87,639,398.70/x
  3. Step 3: Cross multiply
    93,312,768.30x = 139,969,152.45 × 87,639,398.70
  4. Step 4: Simplify right side
    93,312,768.30x = 12,266,812,357,266,632
  5. Step 5: Solve for x
    x = 12,266,812,357,266,632/93,312,768.30
  6. Step 6: Final answer
    x = 131,459,098.05

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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.