Home / 87,487,254.40-131,230,881.60-53,475,030.40

Finding the Fourth Proportional to 87,487,254.40, 131,230,881.60 and 53,475,030.40

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Solution

The fourth proportional to 87,487,254.40, 131,230,881.60 and 53,475,030.40 is: 80,212,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,487,254.40 : 131,230,881.60 = 53,475,030.40 : x
  2. Step 2: Convert to fraction form
    87,487,254.40/131,230,881.60 = 53,475,030.40/x
  3. Step 3: Cross multiply
    87,487,254.40x = 131,230,881.60 × 53,475,030.40
  4. Step 4: Simplify right side
    87,487,254.40x = 7,017,575,382,978,800
  5. Step 5: Solve for x
    x = 7,017,575,382,978,800/87,487,254.40
  6. Step 6: Final answer
    x = 80,212,545.60

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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.