Home / 156,047,007.26-215,344,866.06-86,436,872.16

Finding the Fourth Proportional to 156,047,007.26, 215,344,866.06 and 86,436,872.16

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Solution

The fourth proportional to 156,047,007.26, 215,344,866.06 and 86,436,872.16 is: 119,282,881.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,047,007.26 : 215,344,866.06 = 86,436,872.16 : x
  2. Step 2: Convert to fraction form
    156,047,007.26/215,344,866.06 = 86,436,872.16/x
  3. Step 3: Cross multiply
    156,047,007.26x = 215,344,866.06 × 86,436,872.16
  4. Step 4: Simplify right side
    156,047,007.26x = 18,613,736,658,209,724
  5. Step 5: Solve for x
    x = 18,613,736,658,209,724/156,047,007.26
  6. Step 6: Final answer
    x = 119,282,881.39

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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.