Home / 43,103,421.90-64,655,132.85-40,977,657.90

Finding the Fourth Proportional to 43,103,421.90, 64,655,132.85 and 40,977,657.90

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Solution

The fourth proportional to 43,103,421.90, 64,655,132.85 and 40,977,657.90 is: 61,466,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,103,421.90 : 64,655,132.85 = 40,977,657.90 : x
  2. Step 2: Convert to fraction form
    43,103,421.90/64,655,132.85 = 40,977,657.90/x
  3. Step 3: Cross multiply
    43,103,421.90x = 64,655,132.85 × 40,977,657.90
  4. Step 4: Simplify right side
    43,103,421.90x = 2,649,415,915,406,352
  5. Step 5: Solve for x
    x = 2,649,415,915,406,352/43,103,421.90
  6. Step 6: Final answer
    x = 61,466,486.85

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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.