Home / 125,303,442.40-187,955,163.60-91,291,218.40

Finding the Fourth Proportional to 125,303,442.40, 187,955,163.60 and 91,291,218.40

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Solution

The fourth proportional to 125,303,442.40, 187,955,163.60 and 91,291,218.40 is: 136,936,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,303,442.40 : 187,955,163.60 = 91,291,218.40 : x
  2. Step 2: Convert to fraction form
    125,303,442.40/187,955,163.60 = 91,291,218.40/x
  3. Step 3: Cross multiply
    125,303,442.40x = 187,955,163.60 × 91,291,218.40
  4. Step 4: Simplify right side
    125,303,442.40x = 17,158,655,889,615,330
  5. Step 5: Solve for x
    x = 17,158,655,889,615,330/125,303,442.40
  6. Step 6: Final answer
    x = 136,936,827.60

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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.