Home / 84,605,421.70-126,908,132.55-24,021,147.70

Finding the Fourth Proportional to 84,605,421.70, 126,908,132.55 and 24,021,147.70

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Solution

The fourth proportional to 84,605,421.70, 126,908,132.55 and 24,021,147.70 is: 36,031,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,605,421.70 : 126,908,132.55 = 24,021,147.70 : x
  2. Step 2: Convert to fraction form
    84,605,421.70/126,908,132.55 = 24,021,147.70/x
  3. Step 3: Cross multiply
    84,605,421.70x = 126,908,132.55 × 24,021,147.70
  4. Step 4: Simplify right side
    84,605,421.70x = 3,048,478,996,314,727.50
  5. Step 5: Solve for x
    x = 3,048,478,996,314,727.50/84,605,421.70
  6. Step 6: Final answer
    x = 36,031,721.55

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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.