Home / 145,406,351.95-200,661,416.54-79,326,649.96

Finding the Fourth Proportional to 145,406,351.95, 200,661,416.54 and 79,326,649.96

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Solution

The fourth proportional to 145,406,351.95, 200,661,416.54 and 79,326,649.96 is: 109,471,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,406,351.95 : 200,661,416.54 = 79,326,649.96 : x
  2. Step 2: Convert to fraction form
    145,406,351.95/200,661,416.54 = 79,326,649.96/x
  3. Step 3: Cross multiply
    145,406,351.95x = 200,661,416.54 × 79,326,649.96
  4. Step 4: Simplify right side
    145,406,351.95x = 15,917,797,949,745,522
  5. Step 5: Solve for x
    x = 15,917,797,949,745,522/145,406,351.95
  6. Step 6: Final answer
    x = 109,471,132.01

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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.