Home / 91,000,095.30-136,500,142.95-36,421,104.60

Finding the Fourth Proportional to 91,000,095.30, 136,500,142.95 and 36,421,104.60

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Solution

The fourth proportional to 91,000,095.30, 136,500,142.95 and 36,421,104.60 is: 54,631,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,000,095.30 : 136,500,142.95 = 36,421,104.60 : x
  2. Step 2: Convert to fraction form
    91,000,095.30/136,500,142.95 = 36,421,104.60/x
  3. Step 3: Cross multiply
    91,000,095.30x = 136,500,142.95 × 36,421,104.60
  4. Step 4: Simplify right side
    91,000,095.30x = 4,971,485,984,296,902
  5. Step 5: Solve for x
    x = 4,971,485,984,296,902/91,000,095.30
  6. Step 6: Final answer
    x = 54,631,656.90

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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.