Home / 64,406,468.20-96,581,708.70-21,258,999.40

Finding the Fourth Proportional to 64,406,468.20, 96,581,708.70 and 21,258,999.40

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Solution

The fourth proportional to 64,406,468.20, 96,581,708.70 and 21,258,999.40 is: 31,879,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,406,468.20 : 96,581,708.70 = 21,258,999.40 : x
  2. Step 2: Convert to fraction form
    64,406,468.20/96,581,708.70 = 21,258,999.40/x
  3. Step 3: Cross multiply
    64,406,468.20x = 96,581,708.70 × 21,258,999.40
  4. Step 4: Simplify right side
    64,406,468.20x = 2,053,230,487,304,274.75
  5. Step 5: Solve for x
    x = 2,053,230,487,304,274.75/64,406,468.20
  6. Step 6: Final answer
    x = 31,879,259.10

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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.