Home / 121,275,671.55-181,913,486.56-38,335,646.76

Finding the Fourth Proportional to 121,275,671.55, 181,913,486.56 and 38,335,646.76

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Solution

The fourth proportional to 121,275,671.55, 181,913,486.56 and 38,335,646.76 is: 57,503,463.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,275,671.55 : 181,913,486.56 = 38,335,646.76 : x
  2. Step 2: Convert to fraction form
    121,275,671.55/181,913,486.56 = 38,335,646.76/x
  3. Step 3: Cross multiply
    121,275,671.55x = 181,913,486.56 × 38,335,646.76
  4. Step 4: Simplify right side
    121,275,671.55x = 6,973,771,161,223,155
  5. Step 5: Solve for x
    x = 6,973,771,161,223,155/121,275,671.55
  6. Step 6: Final answer
    x = 57,503,463.57

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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.