Home / 99,855,809.60-149,783,714.40-88,518,401.60

Finding the Fourth Proportional to 99,855,809.60, 149,783,714.40 and 88,518,401.60

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Solution

The fourth proportional to 99,855,809.60, 149,783,714.40 and 88,518,401.60 is: 132,777,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,855,809.60 : 149,783,714.40 = 88,518,401.60 : x
  2. Step 2: Convert to fraction form
    99,855,809.60/149,783,714.40 = 88,518,401.60/x
  3. Step 3: Cross multiply
    99,855,809.60x = 149,783,714.40 × 88,518,401.60
  4. Step 4: Simplify right side
    99,855,809.60x = 13,258,614,984,398,902
  5. Step 5: Solve for x
    x = 13,258,614,984,398,902/99,855,809.60
  6. Step 6: Final answer
    x = 132,777,602.40

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1.5x scale

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.