Home / 67,129,421.80-100,743,899.10-44,402,765.80

Finding the Fourth Proportional to 67,129,421.80, 100,743,899.10 and 44,402,765.80

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Solution

The fourth proportional to 67,129,421.80, 100,743,899.10 and 44,402,765.80 is: 66,637,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,129,421.80 : 100,743,899.10 = 44,402,765.80 : x
  2. Step 2: Convert to fraction form
    67,129,421.80/100,743,899.10 = 44,402,765.80/x
  3. Step 3: Cross multiply
    67,129,421.80x = 100,743,899.10 × 44,402,765.80
  4. Step 4: Simplify right side
    67,129,421.80x = 4,473,307,757,516,130
  5. Step 5: Solve for x
    x = 4,473,307,757,516,130/67,129,421.80
  6. Step 6: Final answer
    x = 66,637,066.69

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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.