Home / 71,039,790.18-98,034,871.05-40,100,226.66

Finding the Fourth Proportional to 71,039,790.18, 98,034,871.05 and 40,100,226.66

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Solution

The fourth proportional to 71,039,790.18, 98,034,871.05 and 40,100,226.66 is: 55,338,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,039,790.18 : 98,034,871.05 = 40,100,226.66 : x
  2. Step 2: Convert to fraction form
    71,039,790.18/98,034,871.05 = 40,100,226.66/x
  3. Step 3: Cross multiply
    71,039,790.18x = 98,034,871.05 × 40,100,226.66
  4. Step 4: Simplify right side
    71,039,790.18x = 3,931,220,549,688,871.50
  5. Step 5: Solve for x
    x = 3,931,220,549,688,871.50/71,039,790.18
  6. Step 6: Final answer
    x = 55,338,290.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.