Home / 65,681,225.10-98,512,506.45-20,247,612.30

Finding the Fourth Proportional to 65,681,225.10, 98,512,506.45 and 20,247,612.30

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Solution

The fourth proportional to 65,681,225.10, 98,512,506.45 and 20,247,612.30 is: 30,368,541.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,681,225.10 : 98,512,506.45 = 20,247,612.30 : x
  2. Step 2: Convert to fraction form
    65,681,225.10/98,512,506.45 = 20,247,612.30/x
  3. Step 3: Cross multiply
    65,681,225.10x = 98,512,506.45 × 20,247,612.30
  4. Step 4: Simplify right side
    65,681,225.10x = 1,994,643,037,300,849.50
  5. Step 5: Solve for x
    x = 1,994,643,037,300,849.50/65,681,225.10
  6. Step 6: Final answer
    x = 30,368,541.91

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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.