Home / 161,520,383.10-242,280,574.65-97,023,128.70

Finding the Fourth Proportional to 161,520,383.10, 242,280,574.65 and 97,023,128.70

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Solution

The fourth proportional to 161,520,383.10, 242,280,574.65 and 97,023,128.70 is: 145,534,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,520,383.10 : 242,280,574.65 = 97,023,128.70 : x
  2. Step 2: Convert to fraction form
    161,520,383.10/242,280,574.65 = 97,023,128.70/x
  3. Step 3: Cross multiply
    161,520,383.10x = 242,280,574.65 × 97,023,128.70
  4. Step 4: Simplify right side
    161,520,383.10x = 23,506,819,375,776,908
  5. Step 5: Solve for x
    x = 23,506,819,375,776,908/161,520,383.10
  6. Step 6: Final answer
    x = 145,534,693.05

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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.