Home / 161,520,298.10-242,280,447.15-97,023,043.70

Finding the Fourth Proportional to 161,520,298.10, 242,280,447.15 and 97,023,043.70

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Solution

The fourth proportional to 161,520,298.10, 242,280,447.15 and 97,023,043.70 is: 145,534,565.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,520,298.10 : 242,280,447.15 = 97,023,043.70 : x
  2. Step 2: Convert to fraction form
    161,520,298.10/242,280,447.15 = 97,023,043.70/x
  3. Step 3: Cross multiply
    161,520,298.10x = 242,280,447.15 × 97,023,043.70
  4. Step 4: Simplify right side
    161,520,298.10x = 23,506,786,411,489,992
  5. Step 5: Solve for x
    x = 23,506,786,411,489,992/161,520,298.10
  6. Step 6: Final answer
    x = 145,534,565.55

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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.