Home / 48,385,903.30-72,686,989.35-40,423,279.30

Finding the Fourth Proportional to 48,385,903.30, 72,686,989.35 and 40,423,279.30

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Solution

The fourth proportional to 48,385,903.30, 72,686,989.35 and 40,423,279.30 is: 60,725,258.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385,903.30 : 72,686,989.35 = 40,423,279.30 : x
  2. Step 2: Convert to fraction form
    48,385,903.30/72,686,989.35 = 40,423,279.30/x
  3. Step 3: Cross multiply
    48,385,903.30x = 72,686,989.35 × 40,423,279.30
  4. Step 4: Simplify right side
    48,385,903.30x = 2,938,246,471,971,175
  5. Step 5: Solve for x
    x = 2,938,246,471,971,175/48,385,903.30
  6. Step 6: Final answer
    x = 60,725,258.22

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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.