Home / 158,681,254.32-218,968,123.77-89,053,183.08

Finding the Fourth Proportional to 158,681,254.32, 218,968,123.77 and 89,053,183.08

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Solution

The fourth proportional to 158,681,254.32, 218,968,123.77 and 89,053,183.08 is: 122,886,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,681,254.32 : 218,968,123.77 = 89,053,183.08 : x
  2. Step 2: Convert to fraction form
    158,681,254.32/218,968,123.77 = 89,053,183.08/x
  3. Step 3: Cross multiply
    158,681,254.32x = 218,968,123.77 × 89,053,183.08
  4. Step 4: Simplify right side
    158,681,254.32x = 19,499,808,414,773,912
  5. Step 5: Solve for x
    x = 19,499,808,414,773,912/158,681,254.32
  6. Step 6: Final answer
    x = 122,886,654.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.