Home / 105,613,473.60-158,420,210.40-90,496,929.60

Finding the Fourth Proportional to 105,613,473.60, 158,420,210.40 and 90,496,929.60

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Solution

The fourth proportional to 105,613,473.60, 158,420,210.40 and 90,496,929.60 is: 135,745,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,613,473.60 : 158,420,210.40 = 90,496,929.60 : x
  2. Step 2: Convert to fraction form
    105,613,473.60/158,420,210.40 = 90,496,929.60/x
  3. Step 3: Cross multiply
    105,613,473.60x = 158,420,210.40 × 90,496,929.60
  4. Step 4: Simplify right side
    105,613,473.60x = 14,336,542,627,785,988
  5. Step 5: Solve for x
    x = 14,336,542,627,785,988/105,613,473.60
  6. Step 6: Final answer
    x = 135,745,394.40

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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.