Home / 79,152,078.40-118,728,117.60-38,841,294.40

Finding the Fourth Proportional to 79,152,078.40, 118,728,117.60 and 38,841,294.40

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Solution

The fourth proportional to 79,152,078.40, 118,728,117.60 and 38,841,294.40 is: 58,261,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,152,078.40 : 118,728,117.60 = 38,841,294.40 : x
  2. Step 2: Convert to fraction form
    79,152,078.40/118,728,117.60 = 38,841,294.40/x
  3. Step 3: Cross multiply
    79,152,078.40x = 118,728,117.60 × 38,841,294.40
  4. Step 4: Simplify right side
    79,152,078.40x = 4,611,553,769,259,421
  5. Step 5: Solve for x
    x = 4,611,553,769,259,421/79,152,078.40
  6. Step 6: Final answer
    x = 58,261,941.60

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Similar ratio
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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.