Home / 79,108,862.80-118,697,394.98-42,710,025.84

Finding the Fourth Proportional to 79,108,862.80, 118,697,394.98 and 42,710,025.84

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Solution

The fourth proportional to 79,108,862.80, 118,697,394.98 and 42,710,025.84 is: 64,083,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,108,862.80 : 118,697,394.98 = 42,710,025.84 : x
  2. Step 2: Convert to fraction form
    79,108,862.80/118,697,394.98 = 42,710,025.84/x
  3. Step 3: Cross multiply
    79,108,862.80x = 118,697,394.98 × 42,710,025.84
  4. Step 4: Simplify right side
    79,108,862.80x = 5,069,568,806,736,487
  5. Step 5: Solve for x
    x = 5,069,568,806,736,487/79,108,862.80
  6. Step 6: Final answer
    x = 64,083,449.41

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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.