Home / 121,456,341.07-182,038,138.75-55,786,859.45

Finding the Fourth Proportional to 121,456,341.07, 182,038,138.75 and 55,786,859.45

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Solution

The fourth proportional to 121,456,341.07, 182,038,138.75 and 55,786,859.45 is: 83,613,057.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,456,341.07 : 182,038,138.75 = 55,786,859.45 : x
  2. Step 2: Convert to fraction form
    121,456,341.07/182,038,138.75 = 55,786,859.45/x
  3. Step 3: Cross multiply
    121,456,341.07x = 182,038,138.75 × 55,786,859.45
  4. Step 4: Simplify right side
    121,456,341.07x = 10,155,336,060,828,034
  5. Step 5: Solve for x
    x = 10,155,336,060,828,034/121,456,341.07
  6. Step 6: Final answer
    x = 83,613,057.76

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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.