Home / 121,456,341.32-182,038,139.13-55,786,859.70

Finding the Fourth Proportional to 121,456,341.32, 182,038,139.13 and 55,786,859.70

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Solution

The fourth proportional to 121,456,341.32, 182,038,139.13 and 55,786,859.70 is: 83,613,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,456,341.32 : 182,038,139.13 = 55,786,859.70 : x
  2. Step 2: Convert to fraction form
    121,456,341.32/182,038,139.13 = 55,786,859.70/x
  3. Step 3: Cross multiply
    121,456,341.32x = 182,038,139.13 × 55,786,859.70
  4. Step 4: Simplify right side
    121,456,341.32x = 10,155,336,127,415,456
  5. Step 5: Solve for x
    x = 10,155,336,127,415,456/121,456,341.32
  6. Step 6: Final answer
    x = 83,613,058.13

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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.