Home / 42,905,685,132.15-64,299,688,195.05-27,156,396,553.49

Finding the Fourth Proportional to 42,905,685,132.15, 64,299,688,195.05 and 27,156,396,553.49

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Solution

The fourth proportional to 42,905,685,132.15, 64,299,688,195.05 and 27,156,396,553.49 is: 40,697,353,404.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,905,685,132.15 : 64,299,688,195.05 = 27,156,396,553.49 : x
  2. Step 2: Convert to fraction form
    42,905,685,132.15/64,299,688,195.05 = 27,156,396,553.49/x
  3. Step 3: Cross multiply
    42,905,685,132.15x = 64,299,688,195.05 × 27,156,396,553.49
  4. Step 4: Simplify right side
    42,905,685,132.15x = 1,746,147,830,890,216,030,208
  5. Step 5: Solve for x
    x = 1,746,147,830,890,216,030,208/42,905,685,132.15
  6. Step 6: Final answer
    x = 40,697,353,404.61

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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.