Home / 153,302,543.10-229,953,814.65-138,185,999.10

Finding the Fourth Proportional to 153,302,543.10, 229,953,814.65 and 138,185,999.10

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Solution

The fourth proportional to 153,302,543.10, 229,953,814.65 and 138,185,999.10 is: 207,278,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,302,543.10 : 229,953,814.65 = 138,185,999.10 : x
  2. Step 2: Convert to fraction form
    153,302,543.10/229,953,814.65 = 138,185,999.10/x
  3. Step 3: Cross multiply
    153,302,543.10x = 229,953,814.65 × 138,185,999.10
  4. Step 4: Simplify right side
    153,302,543.10x = 31,776,397,624,266,468
  5. Step 5: Solve for x
    x = 31,776,397,624,266,468/153,302,543.10
  6. Step 6: Final answer
    x = 207,278,998.65

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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.