Home / 65,936,890.40-98,885,092.08-45,597,315.20

Finding the Fourth Proportional to 65,936,890.40, 98,885,092.08 and 45,597,315.20

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Solution

The fourth proportional to 65,936,890.40, 98,885,092.08 and 45,597,315.20 is: 68,381,973.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,936,890.40 : 98,885,092.08 = 45,597,315.20 : x
  2. Step 2: Convert to fraction form
    65,936,890.40/98,885,092.08 = 45,597,315.20/x
  3. Step 3: Cross multiply
    65,936,890.40x = 98,885,092.08 × 45,597,315.20
  4. Step 4: Simplify right side
    65,936,890.40x = 4,508,894,712,152,784
  5. Step 5: Solve for x
    x = 4,508,894,712,152,784/65,936,890.40
  6. Step 6: Final answer
    x = 68,381,973.81

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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.