Home / 125,303,427.40-187,955,141.10-91,291,203.40

Finding the Fourth Proportional to 125,303,427.40, 187,955,141.10 and 91,291,203.40

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Solution

The fourth proportional to 125,303,427.40, 187,955,141.10 and 91,291,203.40 is: 136,936,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,303,427.40 : 187,955,141.10 = 91,291,203.40 : x
  2. Step 2: Convert to fraction form
    125,303,427.40/187,955,141.10 = 91,291,203.40/x
  3. Step 3: Cross multiply
    125,303,427.40x = 187,955,141.10 × 91,291,203.40
  4. Step 4: Simplify right side
    125,303,427.40x = 17,158,651,016,235,800
  5. Step 5: Solve for x
    x = 17,158,651,016,235,800/125,303,427.40
  6. Step 6: Final answer
    x = 136,936,805.10

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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.