Home / 99,668,526.30-149,502,789.45-61,205,319.90

Finding the Fourth Proportional to 99,668,526.30, 149,502,789.45 and 61,205,319.90

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Solution

The fourth proportional to 99,668,526.30, 149,502,789.45 and 61,205,319.90 is: 91,807,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,668,526.30 : 149,502,789.45 = 61,205,319.90 : x
  2. Step 2: Convert to fraction form
    99,668,526.30/149,502,789.45 = 61,205,319.90/x
  3. Step 3: Cross multiply
    99,668,526.30x = 149,502,789.45 × 61,205,319.90
  4. Step 4: Simplify right side
    99,668,526.30x = 9,150,366,054,229,594
  5. Step 5: Solve for x
    x = 9,150,366,054,229,594/99,668,526.30
  6. Step 6: Final answer
    x = 91,807,979.85

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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.