Home / 99,168,003.80-148,752,005.70-68,934,915.80

Finding the Fourth Proportional to 99,168,003.80, 148,752,005.70 and 68,934,915.80

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Solution

The fourth proportional to 99,168,003.80, 148,752,005.70 and 68,934,915.80 is: 103,402,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,168,003.80 : 148,752,005.70 = 68,934,915.80 : x
  2. Step 2: Convert to fraction form
    99,168,003.80/148,752,005.70 = 68,934,915.80/x
  3. Step 3: Cross multiply
    99,168,003.80x = 148,752,005.70 × 68,934,915.80
  4. Step 4: Simplify right side
    99,168,003.80x = 10,254,206,988,010,618
  5. Step 5: Solve for x
    x = 10,254,206,988,010,618/99,168,003.80
  6. Step 6: Final answer
    x = 103,402,373.70

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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.