Home / 121,240,641.71-181,975,937.65-75,042,766.24

Finding the Fourth Proportional to 121,240,641.71, 181,975,937.65 and 75,042,766.24

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Solution

The fourth proportional to 121,240,641.71, 181,975,937.65 and 75,042,766.24 is: 112,635,314.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,240,641.71 : 181,975,937.65 = 75,042,766.24 : x
  2. Step 2: Convert to fraction form
    121,240,641.71/181,975,937.65 = 75,042,766.24/x
  3. Step 3: Cross multiply
    121,240,641.71x = 181,975,937.65 × 75,042,766.24
  4. Step 4: Simplify right side
    121,240,641.71x = 13,655,977,749,731,218
  5. Step 5: Solve for x
    x = 13,655,977,749,731,218/121,240,641.71
  6. Step 6: Final answer
    x = 112,635,314.01

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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.