Home / 158,265,290.12-218,407,382.96-87,702,079.16

Finding the Fourth Proportional to 158,265,290.12, 218,407,382.96 and 87,702,079.16

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Solution

The fourth proportional to 158,265,290.12, 218,407,382.96 and 87,702,079.16 is: 121,029,579.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,265,290.12 : 218,407,382.96 = 87,702,079.16 : x
  2. Step 2: Convert to fraction form
    158,265,290.12/218,407,382.96 = 87,702,079.16/x
  3. Step 3: Cross multiply
    158,265,290.12x = 218,407,382.96 × 87,702,079.16
  4. Step 4: Simplify right side
    158,265,290.12x = 19,154,781,587,955,808
  5. Step 5: Solve for x
    x = 19,154,781,587,955,808/158,265,290.12
  6. Step 6: Final answer
    x = 121,029,579.98

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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.