Home / 70,781,254.85-97,681,162.28-39,419,303.67

Finding the Fourth Proportional to 70,781,254.85, 97,681,162.28 and 39,419,303.67

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Solution

The fourth proportional to 70,781,254.85, 97,681,162.28 and 39,419,303.67 is: 54,400,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,781,254.85 : 97,681,162.28 = 39,419,303.67 : x
  2. Step 2: Convert to fraction form
    70,781,254.85/97,681,162.28 = 39,419,303.67/x
  3. Step 3: Cross multiply
    70,781,254.85x = 97,681,162.28 × 39,419,303.67
  4. Step 4: Simplify right side
    70,781,254.85x = 3,850,523,398,556,773.50
  5. Step 5: Solve for x
    x = 3,850,523,398,556,773.50/70,781,254.85
  6. Step 6: Final answer
    x = 54,400,326.85

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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.