Home / 42,373,479.60-63,560,219.40-39,822,562.80

Finding the Fourth Proportional to 42,373,479.60, 63,560,219.40 and 39,822,562.80

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Solution

The fourth proportional to 42,373,479.60, 63,560,219.40 and 39,822,562.80 is: 59,733,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,373,479.60 : 63,560,219.40 = 39,822,562.80 : x
  2. Step 2: Convert to fraction form
    42,373,479.60/63,560,219.40 = 39,822,562.80/x
  3. Step 3: Cross multiply
    42,373,479.60x = 63,560,219.40 × 39,822,562.80
  4. Step 4: Simplify right side
    42,373,479.60x = 2,531,130,828,638,278
  5. Step 5: Solve for x
    x = 2,531,130,828,638,278/42,373,479.60
  6. Step 6: Final answer
    x = 59,733,844.20

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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.