Home / 109,132,084.60-163,698,126.90-66,085,363.60

Finding the Fourth Proportional to 109,132,084.60, 163,698,126.90 and 66,085,363.60

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Solution

The fourth proportional to 109,132,084.60, 163,698,126.90 and 66,085,363.60 is: 99,128,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,132,084.60 : 163,698,126.90 = 66,085,363.60 : x
  2. Step 2: Convert to fraction form
    109,132,084.60/163,698,126.90 = 66,085,363.60/x
  3. Step 3: Cross multiply
    109,132,084.60x = 163,698,126.90 × 66,085,363.60
  4. Step 4: Simplify right side
    109,132,084.60x = 10,818,050,236,825,442
  5. Step 5: Solve for x
    x = 10,818,050,236,825,442/109,132,084.60
  6. Step 6: Final answer
    x = 99,128,045.40

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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.