Home / 56,854,077.40-78,458,626.90-30,748,595.30

Finding the Fourth Proportional to 56,854,077.40, 78,458,626.90 and 30,748,595.30

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Solution

The fourth proportional to 56,854,077.40, 78,458,626.90 and 30,748,595.30 is: 42,433,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,854,077.40 : 78,458,626.90 = 30,748,595.30 : x
  2. Step 2: Convert to fraction form
    56,854,077.40/78,458,626.90 = 30,748,595.30/x
  3. Step 3: Cross multiply
    56,854,077.40x = 78,458,626.90 × 30,748,595.30
  4. Step 4: Simplify right side
    56,854,077.40x = 2,412,492,566,341,794
  5. Step 5: Solve for x
    x = 2,412,492,566,341,794/56,854,077.40
  6. Step 6: Final answer
    x = 42,433,061.56

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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.