Home / 93,312,671.20-139,969,006.80-81,975,263.20

Finding the Fourth Proportional to 93,312,671.20, 139,969,006.80 and 81,975,263.20

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Solution

The fourth proportional to 93,312,671.20, 139,969,006.80 and 81,975,263.20 is: 122,962,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,671.20 : 139,969,006.80 = 81,975,263.20 : x
  2. Step 2: Convert to fraction form
    93,312,671.20/139,969,006.80 = 81,975,263.20/x
  3. Step 3: Cross multiply
    93,312,671.20x = 139,969,006.80 × 81,975,263.20
  4. Step 4: Simplify right side
    93,312,671.20x = 11,473,996,172,272,592
  5. Step 5: Solve for x
    x = 11,473,996,172,272,592/93,312,671.20
  6. Step 6: Final answer
    x = 122,962,894.80

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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.