Home / 121,712,931.25-182,567,447.02-38,713,478.47

Finding the Fourth Proportional to 121,712,931.25, 182,567,447.02 and 38,713,478.47

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Solution

The fourth proportional to 121,712,931.25, 182,567,447.02 and 38,713,478.47 is: 58,069,597.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,712,931.25 : 182,567,447.02 = 38,713,478.47 : x
  2. Step 2: Convert to fraction form
    121,712,931.25/182,567,447.02 = 38,713,478.47/x
  3. Step 3: Cross multiply
    121,712,931.25x = 182,567,447.02 × 38,713,478.47
  4. Step 4: Simplify right side
    121,712,931.25x = 7,067,820,929,531,636
  5. Step 5: Solve for x
    x = 7,067,820,929,531,636/121,712,931.25
  6. Step 6: Final answer
    x = 58,069,597.51

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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.