Home / 242,036,701.10-363,007,812.45-80,478,637.10

Finding the Fourth Proportional to 242,036,701.10, 363,007,812.45 and 80,478,637.10

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Solution

The fourth proportional to 242,036,701.10, 363,007,812.45 and 80,478,637.10 is: 120,702,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,036,701.10 : 363,007,812.45 = 80,478,637.10 : x
  2. Step 2: Convert to fraction form
    242,036,701.10/363,007,812.45 = 80,478,637.10/x
  3. Step 3: Cross multiply
    242,036,701.10x = 363,007,812.45 × 80,478,637.10
  4. Step 4: Simplify right side
    242,036,701.10x = 29,214,374,002,628,408
  5. Step 5: Solve for x
    x = 29,214,374,002,628,408/242,036,701.10
  6. Step 6: Final answer
    x = 120,702,248.34

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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.