Home / 125,303,445.40-187,955,168.10-91,291,221.40

Finding the Fourth Proportional to 125,303,445.40, 187,955,168.10 and 91,291,221.40

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Solution

The fourth proportional to 125,303,445.40, 187,955,168.10 and 91,291,221.40 is: 136,936,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,303,445.40 : 187,955,168.10 = 91,291,221.40 : x
  2. Step 2: Convert to fraction form
    125,303,445.40/187,955,168.10 = 91,291,221.40/x
  3. Step 3: Cross multiply
    125,303,445.40x = 187,955,168.10 × 91,291,221.40
  4. Step 4: Simplify right side
    125,303,445.40x = 17,158,656,864,291,318
  5. Step 5: Solve for x
    x = 17,158,656,864,291,318/125,303,445.40
  6. Step 6: Final answer
    x = 136,936,832.10

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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.