Home / 88,519,386.78-122,156,753.70-51,849,957.78

Finding the Fourth Proportional to 88,519,386.78, 122,156,753.70 and 51,849,957.78

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Solution

The fourth proportional to 88,519,386.78, 122,156,753.70 and 51,849,957.78 is: 71,552,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,519,386.78 : 122,156,753.70 = 51,849,957.78 : x
  2. Step 2: Convert to fraction form
    88,519,386.78/122,156,753.70 = 51,849,957.78/x
  3. Step 3: Cross multiply
    88,519,386.78x = 122,156,753.70 × 51,849,957.78
  4. Step 4: Simplify right side
    88,519,386.78x = 6,333,822,521,886,859
  5. Step 5: Solve for x
    x = 6,333,822,521,886,859/88,519,386.78
  6. Step 6: Final answer
    x = 71,552,941.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.