Home / 61,947,124.80-92,920,687.20-51,869,428.80

Finding the Fourth Proportional to 61,947,124.80, 92,920,687.20 and 51,869,428.80

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Solution

The fourth proportional to 61,947,124.80, 92,920,687.20 and 51,869,428.80 is: 77,804,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,947,124.80 : 92,920,687.20 = 51,869,428.80 : x
  2. Step 2: Convert to fraction form
    61,947,124.80/92,920,687.20 = 51,869,428.80/x
  3. Step 3: Cross multiply
    61,947,124.80x = 92,920,687.20 × 51,869,428.80
  4. Step 4: Simplify right side
    61,947,124.80x = 4,819,742,968,767,471
  5. Step 5: Solve for x
    x = 4,819,742,968,767,471/61,947,124.80
  6. Step 6: Final answer
    x = 77,804,143.20

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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.