Home / 121,303,854.60-181,770,629.24-72,022,663.28

Finding the Fourth Proportional to 121,303,854.60, 181,770,629.24 and 72,022,663.28

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Solution

The fourth proportional to 121,303,854.60, 181,770,629.24 and 72,022,663.28 is: 107,924,062.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,303,854.60 : 181,770,629.24 = 72,022,663.28 : x
  2. Step 2: Convert to fraction form
    121,303,854.60/181,770,629.24 = 72,022,663.28/x
  3. Step 3: Cross multiply
    121,303,854.60x = 181,770,629.24 × 72,022,663.28
  4. Step 4: Simplify right side
    121,303,854.60x = 13,091,604,824,580,726
  5. Step 5: Solve for x
    x = 13,091,604,824,580,726/121,303,854.60
  6. Step 6: Final answer
    x = 107,924,062.82

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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.