Home / 141,478,815.88-212,218,210.86-39,242,857.96

Finding the Fourth Proportional to 141,478,815.88, 212,218,210.86 and 39,242,857.96

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Solution

The fourth proportional to 141,478,815.88, 212,218,210.86 and 39,242,857.96 is: 58,864,283.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,478,815.88 : 212,218,210.86 = 39,242,857.96 : x
  2. Step 2: Convert to fraction form
    141,478,815.88/212,218,210.86 = 39,242,857.96/x
  3. Step 3: Cross multiply
    141,478,815.88x = 212,218,210.86 × 39,242,857.96
  4. Step 4: Simplify right side
    141,478,815.88x = 8,328,049,105,304,310
  5. Step 5: Solve for x
    x = 8,328,049,105,304,310/141,478,815.88
  6. Step 6: Final answer
    x = 58,864,283.35

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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.