Home / 99,072,001.30-148,608,001.95-74,885,530.90

Finding the Fourth Proportional to 99,072,001.30, 148,608,001.95 and 74,885,530.90

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Solution

The fourth proportional to 99,072,001.30, 148,608,001.95 and 74,885,530.90 is: 112,328,296.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,072,001.30 : 148,608,001.95 = 74,885,530.90 : x
  2. Step 2: Convert to fraction form
    99,072,001.30/148,608,001.95 = 74,885,530.90/x
  3. Step 3: Cross multiply
    99,072,001.30x = 148,608,001.95 × 74,885,530.90
  4. Step 4: Simplify right side
    99,072,001.30x = 11,128,589,122,013,986
  5. Step 5: Solve for x
    x = 11,128,589,122,013,986/99,072,001.30
  6. Step 6: Final answer
    x = 112,328,296.35

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1.5x scale

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.