Home / 121,287,095.40-181,930,643.10-35,028,316.20

Finding the Fourth Proportional to 121,287,095.40, 181,930,643.10 and 35,028,316.20

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Solution

The fourth proportional to 121,287,095.40, 181,930,643.10 and 35,028,316.20 is: 52,542,474.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,287,095.40 : 181,930,643.10 = 35,028,316.20 : x
  2. Step 2: Convert to fraction form
    121,287,095.40/181,930,643.10 = 35,028,316.20/x
  3. Step 3: Cross multiply
    121,287,095.40x = 181,930,643.10 × 35,028,316.20
  4. Step 4: Simplify right side
    121,287,095.40x = 6,372,724,092,976,149
  5. Step 5: Solve for x
    x = 6,372,724,092,976,149/121,287,095.40
  6. Step 6: Final answer
    x = 52,542,474.30

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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.