Home / 40,803,762.30-61,205,643.45-38,465,421.90

Finding the Fourth Proportional to 40,803,762.30, 61,205,643.45 and 38,465,421.90

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Solution

The fourth proportional to 40,803,762.30, 61,205,643.45 and 38,465,421.90 is: 57,698,132.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,803,762.30 : 61,205,643.45 = 38,465,421.90 : x
  2. Step 2: Convert to fraction form
    40,803,762.30/61,205,643.45 = 38,465,421.90/x
  3. Step 3: Cross multiply
    40,803,762.30x = 61,205,643.45 × 38,465,421.90
  4. Step 4: Simplify right side
    40,803,762.30x = 2,354,300,897,965,221.50
  5. Step 5: Solve for x
    x = 2,354,300,897,965,221.50/40,803,762.30
  6. Step 6: Final answer
    x = 57,698,132.85

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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.