Home / 42,492,867.10-63,833,779.05-40,886,734.30

Finding the Fourth Proportional to 42,492,867.10, 63,833,779.05 and 40,886,734.30

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Solution

The fourth proportional to 42,492,867.10, 63,833,779.05 and 40,886,734.30 is: 61,421,008.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,492,867.10 : 63,833,779.05 = 40,886,734.30 : x
  2. Step 2: Convert to fraction form
    42,492,867.10/63,833,779.05 = 40,886,734.30/x
  3. Step 3: Cross multiply
    42,492,867.10x = 63,833,779.05 × 40,886,734.30
  4. Step 4: Simplify right side
    42,492,867.10x = 2,609,954,763,382,256
  5. Step 5: Solve for x
    x = 2,609,954,763,382,256/42,492,867.10
  6. Step 6: Final answer
    x = 61,421,008.78

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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.