Home / 103,364,017.48-142,648,714.98-56,954,264.20

Finding the Fourth Proportional to 103,364,017.48, 142,648,714.98 and 56,954,264.20

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Solution

The fourth proportional to 103,364,017.48, 142,648,714.98 and 56,954,264.20 is: 78,600,394.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,364,017.48 : 142,648,714.98 = 56,954,264.20 : x
  2. Step 2: Convert to fraction form
    103,364,017.48/142,648,714.98 = 56,954,264.20/x
  3. Step 3: Cross multiply
    103,364,017.48x = 142,648,714.98 × 56,954,264.20
  4. Step 4: Simplify right side
    103,364,017.48x = 8,124,452,600,761,418
  5. Step 5: Solve for x
    x = 8,124,452,600,761,418/103,364,017.48
  6. Step 6: Final answer
    x = 78,600,394.98

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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.