Home / 157,506,287.16-217,358,680.55-86,941,912.04

Finding the Fourth Proportional to 157,506,287.16, 217,358,680.55 and 86,941,912.04

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Solution

The fourth proportional to 157,506,287.16, 217,358,680.55 and 86,941,912.04 is: 119,979,840.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,506,287.16 : 217,358,680.55 = 86,941,912.04 : x
  2. Step 2: Convert to fraction form
    157,506,287.16/217,358,680.55 = 86,941,912.04/x
  3. Step 3: Cross multiply
    157,506,287.16x = 217,358,680.55 × 86,941,912.04
  4. Step 4: Simplify right side
    157,506,287.16x = 18,897,579,285,290,764
  5. Step 5: Solve for x
    x = 18,897,579,285,290,764/157,506,287.16
  6. Step 6: Final answer
    x = 119,979,840.97

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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.