Home / 56,866,746.36-78,476,056.35-30,761,203.95

Finding the Fourth Proportional to 56,866,746.36, 78,476,056.35 and 30,761,203.95

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Solution

The fourth proportional to 56,866,746.36, 78,476,056.35 and 30,761,203.95 is: 42,450,432.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,866,746.36 : 78,476,056.35 = 30,761,203.95 : x
  2. Step 2: Convert to fraction form
    56,866,746.36/78,476,056.35 = 30,761,203.95/x
  3. Step 3: Cross multiply
    56,866,746.36x = 78,476,056.35 × 30,761,203.95
  4. Step 4: Simplify right side
    56,866,746.36x = 2,414,017,974,574,042.50
  5. Step 5: Solve for x
    x = 2,414,017,974,574,042.50/56,866,746.36
  6. Step 6: Final answer
    x = 42,450,432.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.