Home / 282,248,928.92-423,297,810.66-77,728,387.16

Finding the Fourth Proportional to 282,248,928.92, 423,297,810.66 and 77,728,387.16

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Solution

The fourth proportional to 282,248,928.92, 423,297,810.66 and 77,728,387.16 is: 116,571,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,248,928.92 : 423,297,810.66 = 77,728,387.16 : x
  2. Step 2: Convert to fraction form
    282,248,928.92/423,297,810.66 = 77,728,387.16/x
  3. Step 3: Cross multiply
    282,248,928.92x = 423,297,810.66 × 77,728,387.16
  4. Step 4: Simplify right side
    282,248,928.92x = 32,902,256,110,960,856
  5. Step 5: Solve for x
    x = 32,902,256,110,960,856/282,248,928.92
  6. Step 6: Final answer
    x = 116,571,766.05

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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.