Home / 103,492,921.60-155,239,382.40-88,104,752.20

Finding the Fourth Proportional to 103,492,921.60, 155,239,382.40 and 88,104,752.20

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Solution

The fourth proportional to 103,492,921.60, 155,239,382.40 and 88,104,752.20 is: 132,157,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,492,921.60 : 155,239,382.40 = 88,104,752.20 : x
  2. Step 2: Convert to fraction form
    103,492,921.60/155,239,382.40 = 88,104,752.20/x
  3. Step 3: Cross multiply
    103,492,921.60x = 155,239,382.40 × 88,104,752.20
  4. Step 4: Simplify right side
    103,492,921.60x = 13,677,327,318,033,042
  5. Step 5: Solve for x
    x = 13,677,327,318,033,042/103,492,921.60
  6. Step 6: Final answer
    x = 132,157,128.30

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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.