Home / 118,894,502.70-178,341,754.05-54,324,421.20

Finding the Fourth Proportional to 118,894,502.70, 178,341,754.05 and 54,324,421.20

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Solution

The fourth proportional to 118,894,502.70, 178,341,754.05 and 54,324,421.20 is: 81,486,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,894,502.70 : 178,341,754.05 = 54,324,421.20 : x
  2. Step 2: Convert to fraction form
    118,894,502.70/178,341,754.05 = 54,324,421.20/x
  3. Step 3: Cross multiply
    118,894,502.70x = 178,341,754.05 × 54,324,421.20
  4. Step 4: Simplify right side
    118,894,502.70x = 9,688,312,564,559,008
  5. Step 5: Solve for x
    x = 9,688,312,564,559,008/118,894,502.70
  6. Step 6: Final answer
    x = 81,486,631.80

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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.