Home / 99,011,018.20-148,516,527.30-90,500,963.80

Finding the Fourth Proportional to 99,011,018.20, 148,516,527.30 and 90,500,963.80

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Solution

The fourth proportional to 99,011,018.20, 148,516,527.30 and 90,500,963.80 is: 135,751,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,011,018.20 : 148,516,527.30 = 90,500,963.80 : x
  2. Step 2: Convert to fraction form
    99,011,018.20/148,516,527.30 = 90,500,963.80/x
  3. Step 3: Cross multiply
    99,011,018.20x = 148,516,527.30 × 90,500,963.80
  4. Step 4: Simplify right side
    99,011,018.20x = 13,440,888,860,879,012
  5. Step 5: Solve for x
    x = 13,440,888,860,879,012/99,011,018.20
  6. Step 6: Final answer
    x = 135,751,445.70

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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.