Home / 90,072,522.40-135,057,585.12-35,455,498.96

Finding the Fourth Proportional to 90,072,522.40, 135,057,585.12 and 35,455,498.96

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Solution

The fourth proportional to 90,072,522.40, 135,057,585.12 and 35,455,498.96 is: 53,163,095.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,072,522.40 : 135,057,585.12 = 35,455,498.96 : x
  2. Step 2: Convert to fraction form
    90,072,522.40/135,057,585.12 = 35,455,498.96/x
  3. Step 3: Cross multiply
    90,072,522.40x = 135,057,585.12 × 35,455,498.96
  4. Step 4: Simplify right side
    90,072,522.40x = 4,788,534,068,762,272
  5. Step 5: Solve for x
    x = 4,788,534,068,762,272/90,072,522.40
  6. Step 6: Final answer
    x = 53,163,095.04

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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.