Home / 65,686,502.40-98,529,753.60-38,812,646.40

Finding the Fourth Proportional to 65,686,502.40, 98,529,753.60 and 38,812,646.40

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Solution

The fourth proportional to 65,686,502.40, 98,529,753.60 and 38,812,646.40 is: 58,218,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,686,502.40 : 98,529,753.60 = 38,812,646.40 : x
  2. Step 2: Convert to fraction form
    65,686,502.40/98,529,753.60 = 38,812,646.40/x
  3. Step 3: Cross multiply
    65,686,502.40x = 98,529,753.60 × 38,812,646.40
  4. Step 4: Simplify right side
    65,686,502.40x = 3,824,200,486,355,926.50
  5. Step 5: Solve for x
    x = 3,824,200,486,355,926.50/65,686,502.40
  6. Step 6: Final answer
    x = 58,218,969.60

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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.