Home / 318,415,021.40-477,625,206.02-88,402,042.20

Finding the Fourth Proportional to 318,415,021.40, 477,625,206.02 and 88,402,042.20

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Solution

The fourth proportional to 318,415,021.40, 477,625,206.02 and 88,402,042.20 is: 132,603,805.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,415,021.40 : 477,625,206.02 = 88,402,042.20 : x
  2. Step 2: Convert to fraction form
    318,415,021.40/477,625,206.02 = 88,402,042.20/x
  3. Step 3: Cross multiply
    318,415,021.40x = 477,625,206.02 × 88,402,042.20
  4. Step 4: Simplify right side
    318,415,021.40x = 42,223,043,618,363,736
  5. Step 5: Solve for x
    x = 42,223,043,618,363,736/318,415,021.40
  6. Step 6: Final answer
    x = 132,603,805.66

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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.