Home / 215,319,345.10-322,979,017.65-100,528,089.10

Finding the Fourth Proportional to 215,319,345.10, 322,979,017.65 and 100,528,089.10

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Solution

The fourth proportional to 215,319,345.10, 322,979,017.65 and 100,528,089.10 is: 150,792,133.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,319,345.10 : 322,979,017.65 = 100,528,089.10 : x
  2. Step 2: Convert to fraction form
    215,319,345.10/322,979,017.65 = 100,528,089.10/x
  3. Step 3: Cross multiply
    215,319,345.10x = 322,979,017.65 × 100,528,089.10
  4. Step 4: Simplify right side
    215,319,345.10x = 32,468,463,463,749,668
  5. Step 5: Solve for x
    x = 32,468,463,463,749,668/215,319,345.10
  6. Step 6: Final answer
    x = 150,792,133.65

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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.