Home / 115,311,015.18-159,132,327.03-70,656,214.95

Finding the Fourth Proportional to 115,311,015.18, 159,132,327.03 and 70,656,214.95

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Solution

The fourth proportional to 115,311,015.18, 159,132,327.03 and 70,656,214.95 is: 97,507,492.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,311,015.18 : 159,132,327.03 = 70,656,214.95 : x
  2. Step 2: Convert to fraction form
    115,311,015.18/159,132,327.03 = 70,656,214.95/x
  3. Step 3: Cross multiply
    115,311,015.18x = 159,132,327.03 × 70,656,214.95
  4. Step 4: Simplify right side
    115,311,015.18x = 11,243,687,904,125,376
  5. Step 5: Solve for x
    x = 11,243,687,904,125,376/115,311,015.18
  6. Step 6: Final answer
    x = 97,507,492.12

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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.