Home / 91,008,042.30-136,512,063.45-58,759,415.10

Finding the Fourth Proportional to 91,008,042.30, 136,512,063.45 and 58,759,415.10

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Solution

The fourth proportional to 91,008,042.30, 136,512,063.45 and 58,759,415.10 is: 88,139,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,008,042.30 : 136,512,063.45 = 58,759,415.10 : x
  2. Step 2: Convert to fraction form
    91,008,042.30/136,512,063.45 = 58,759,415.10/x
  3. Step 3: Cross multiply
    91,008,042.30x = 136,512,063.45 × 58,759,415.10
  4. Step 4: Simplify right side
    91,008,042.30x = 8,021,369,002,416,088
  5. Step 5: Solve for x
    x = 8,021,369,002,416,088/91,008,042.30
  6. Step 6: Final answer
    x = 88,139,122.65

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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.