Home / 99,668,077.80-149,502,116.70-75,481,607.40

Finding the Fourth Proportional to 99,668,077.80, 149,502,116.70 and 75,481,607.40

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Solution

The fourth proportional to 99,668,077.80, 149,502,116.70 and 75,481,607.40 is: 113,222,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,668,077.80 : 149,502,116.70 = 75,481,607.40 : x
  2. Step 2: Convert to fraction form
    99,668,077.80/149,502,116.70 = 75,481,607.40/x
  3. Step 3: Cross multiply
    99,668,077.80x = 149,502,116.70 × 75,481,607.40
  4. Step 4: Simplify right side
    99,668,077.80x = 11,284,660,078,218,384
  5. Step 5: Solve for x
    x = 11,284,660,078,218,384/99,668,077.80
  6. Step 6: Final answer
    x = 113,222,411.10

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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.