Home / 120,348,886.94-180,514,500.74-38,445,774.23

Finding the Fourth Proportional to 120,348,886.94, 180,514,500.74 and 38,445,774.23

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Solution

The fourth proportional to 120,348,886.94, 180,514,500.74 and 38,445,774.23 is: 57,665,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,348,886.94 : 180,514,500.74 = 38,445,774.23 : x
  2. Step 2: Convert to fraction form
    120,348,886.94/180,514,500.74 = 38,445,774.23/x
  3. Step 3: Cross multiply
    120,348,886.94x = 180,514,500.74 × 38,445,774.23
  4. Step 4: Simplify right side
    120,348,886.94x = 6,940,019,739,852,536
  5. Step 5: Solve for x
    x = 6,940,019,739,852,536/120,348,886.94
  6. Step 6: Final answer
    x = 57,665,840.68

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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.