Home / 118,627,278.70-178,045,894.05-70,044,385.90

Finding the Fourth Proportional to 118,627,278.70, 178,045,894.05 and 70,044,385.90

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Solution

The fourth proportional to 118,627,278.70, 178,045,894.05 and 70,044,385.90 is: 105,128,562.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,627,278.70 : 178,045,894.05 = 70,044,385.90 : x
  2. Step 2: Convert to fraction form
    118,627,278.70/178,045,894.05 = 70,044,385.90/x
  3. Step 3: Cross multiply
    118,627,278.70x = 178,045,894.05 × 70,044,385.90
  4. Step 4: Simplify right side
    118,627,278.70x = 12,471,115,310,748,716
  5. Step 5: Solve for x
    x = 12,471,115,310,748,716/118,627,278.70
  6. Step 6: Final answer
    x = 105,128,562.73

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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.