Home / 87,163,799.90-120,291,484.00-48,005,566.72

Finding the Fourth Proportional to 87,163,799.90, 120,291,484.00 and 48,005,566.72

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Solution

The fourth proportional to 87,163,799.90, 120,291,484.00 and 48,005,566.72 is: 66,250,678.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,163,799.90 : 120,291,484.00 = 48,005,566.72 : x
  2. Step 2: Convert to fraction form
    87,163,799.90/120,291,484.00 = 48,005,566.72/x
  3. Step 3: Cross multiply
    87,163,799.90x = 120,291,484.00 × 48,005,566.72
  4. Step 4: Simplify right side
    87,163,799.90x = 5,774,660,860,679,321
  5. Step 5: Solve for x
    x = 5,774,660,860,679,321/87,163,799.90
  6. Step 6: Final answer
    x = 66,250,678.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.