Home / 121,205,455.31-181,144,052.07-88,484,928.74

Finding the Fourth Proportional to 121,205,455.31, 181,144,052.07 and 88,484,928.74

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Solution

The fourth proportional to 121,205,455.31, 181,144,052.07 and 88,484,928.74 is: 132,242,550.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,205,455.31 : 181,144,052.07 = 88,484,928.74 : x
  2. Step 2: Convert to fraction form
    121,205,455.31/181,144,052.07 = 88,484,928.74/x
  3. Step 3: Cross multiply
    121,205,455.31x = 181,144,052.07 × 88,484,928.74
  4. Step 4: Simplify right side
    121,205,455.31x = 16,028,518,538,530,550
  5. Step 5: Solve for x
    x = 16,028,518,538,530,550/121,205,455.31
  6. Step 6: Final answer
    x = 132,242,550.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.