Home / 121,456,342.32-182,038,140.63-55,786,860.70

Finding the Fourth Proportional to 121,456,342.32, 182,038,140.63 and 55,786,860.70

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Solution

The fourth proportional to 121,456,342.32, 182,038,140.63 and 55,786,860.70 is: 83,613,059.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,456,342.32 : 182,038,140.63 = 55,786,860.70 : x
  2. Step 2: Convert to fraction form
    121,456,342.32/182,038,140.63 = 55,786,860.70/x
  3. Step 3: Cross multiply
    121,456,342.32x = 182,038,140.63 × 55,786,860.70
  4. Step 4: Simplify right side
    121,456,342.32x = 10,155,336,393,133,886
  5. Step 5: Solve for x
    x = 10,155,336,393,133,886/121,456,342.32
  6. Step 6: Final answer
    x = 83,613,059.63

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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.