Home / 121,011,873.60-181,534,399.20-40,224,417.60

Finding the Fourth Proportional to 121,011,873.60, 181,534,399.20 and 40,224,417.60

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Solution

The fourth proportional to 121,011,873.60, 181,534,399.20 and 40,224,417.60 is: 60,342,140.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,011,873.60 : 181,534,399.20 = 40,224,417.60 : x
  2. Step 2: Convert to fraction form
    121,011,873.60/181,534,399.20 = 40,224,417.60/x
  3. Step 3: Cross multiply
    121,011,873.60x = 181,534,399.20 × 40,224,417.60
  4. Step 4: Simplify right side
    121,011,873.60x = 7,302,115,482,185,906
  5. Step 5: Solve for x
    x = 7,302,115,482,185,906/121,011,873.60
  6. Step 6: Final answer
    x = 60,342,140.53

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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.