Home / 153,312,253.20-229,968,379.80-123,079,165.20

Finding the Fourth Proportional to 153,312,253.20, 229,968,379.80 and 123,079,165.20

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Solution

The fourth proportional to 153,312,253.20, 229,968,379.80 and 123,079,165.20 is: 184,618,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,312,253.20 : 229,968,379.80 = 123,079,165.20 : x
  2. Step 2: Convert to fraction form
    153,312,253.20/229,968,379.80 = 123,079,165.20/x
  3. Step 3: Cross multiply
    153,312,253.20x = 229,968,379.80 × 123,079,165.20
  4. Step 4: Simplify right side
    153,312,253.20x = 28,304,316,208,180,544
  5. Step 5: Solve for x
    x = 28,304,316,208,180,544/153,312,253.20
  6. Step 6: Final answer
    x = 184,618,747.80

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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.