Home / 129,254,480.40-193,881,720.60-88,439,811.60

Finding the Fourth Proportional to 129,254,480.40, 193,881,720.60 and 88,439,811.60

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Solution

The fourth proportional to 129,254,480.40, 193,881,720.60 and 88,439,811.60 is: 132,659,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,254,480.40 : 193,881,720.60 = 88,439,811.60 : x
  2. Step 2: Convert to fraction form
    129,254,480.40/193,881,720.60 = 88,439,811.60/x
  3. Step 3: Cross multiply
    129,254,480.40x = 193,881,720.60 × 88,439,811.60
  4. Step 4: Simplify right side
    129,254,480.40x = 17,146,862,842,547,838
  5. Step 5: Solve for x
    x = 17,146,862,842,547,838/129,254,480.40
  6. Step 6: Final answer
    x = 132,659,717.40

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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.