Home / 125,303,400.90-187,955,101.35-91,291,176.90

Finding the Fourth Proportional to 125,303,400.90, 187,955,101.35 and 91,291,176.90

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Solution

The fourth proportional to 125,303,400.90, 187,955,101.35 and 91,291,176.90 is: 136,936,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,303,400.90 : 187,955,101.35 = 91,291,176.90 : x
  2. Step 2: Convert to fraction form
    125,303,400.90/187,955,101.35 = 91,291,176.90/x
  3. Step 3: Cross multiply
    125,303,400.90x = 187,955,101.35 × 91,291,176.90
  4. Step 4: Simplify right side
    125,303,400.90x = 17,158,642,406,600,280
  5. Step 5: Solve for x
    x = 17,158,642,406,600,280/125,303,400.90
  6. Step 6: Final answer
    x = 136,936,765.35

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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.