Home / 288,137,050.08-432,140,888.77-132,541,421.95

Finding the Fourth Proportional to 288,137,050.08, 432,140,888.77 and 132,541,421.95

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Solution

The fourth proportional to 288,137,050.08, 432,140,888.77 and 132,541,421.95 is: 198,782,377.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,137,050.08 : 432,140,888.77 = 132,541,421.95 : x
  2. Step 2: Convert to fraction form
    288,137,050.08/432,140,888.77 = 132,541,421.95/x
  3. Step 3: Cross multiply
    288,137,050.08x = 432,140,888.77 × 132,541,421.95
  4. Step 4: Simplify right side
    288,137,050.08x = 57,276,567,880,521,408
  5. Step 5: Solve for x
    x = 57,276,567,880,521,408/288,137,050.08
  6. Step 6: Final answer
    x = 198,782,377.57

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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.