Home / 284,782,818.40-427,216,869.28-103,072,511.68

Finding the Fourth Proportional to 284,782,818.40, 427,216,869.28 and 103,072,511.68

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Solution

The fourth proportional to 284,782,818.40, 427,216,869.28 and 103,072,511.68 is: 154,624,200.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,782,818.40 : 427,216,869.28 = 103,072,511.68 : x
  2. Step 2: Convert to fraction form
    284,782,818.40/427,216,869.28 = 103,072,511.68/x
  3. Step 3: Cross multiply
    284,782,818.40x = 427,216,869.28 × 103,072,511.68
  4. Step 4: Simplify right side
    284,782,818.40x = 44,034,315,748,755,832
  5. Step 5: Solve for x
    x = 44,034,315,748,755,832/284,782,818.40
  6. Step 6: Final answer
    x = 154,624,200.98

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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.