Home / 72,761,405.40-109,157,271.30-24,254,328.60

Finding the Fourth Proportional to 72,761,405.40, 109,157,271.30 and 24,254,328.60

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Solution

The fourth proportional to 72,761,405.40, 109,157,271.30 and 24,254,328.60 is: 36,386,547.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,761,405.40 : 109,157,271.30 = 24,254,328.60 : x
  2. Step 2: Convert to fraction form
    72,761,405.40/109,157,271.30 = 24,254,328.60/x
  3. Step 3: Cross multiply
    72,761,405.40x = 109,157,271.30 × 24,254,328.60
  4. Step 4: Simplify right side
    72,761,405.40x = 2,647,536,327,189,549.50
  5. Step 5: Solve for x
    x = 2,647,536,327,189,549.50/72,761,405.40
  6. Step 6: Final answer
    x = 36,386,547.41

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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.