Home / 71,636,401.80-98,858,567.34-40,698,268.20

Finding the Fourth Proportional to 71,636,401.80, 98,858,567.34 and 40,698,268.20

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Solution

The fourth proportional to 71,636,401.80, 98,858,567.34 and 40,698,268.20 is: 56,163,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,636,401.80 : 98,858,567.34 = 40,698,268.20 : x
  2. Step 2: Convert to fraction form
    71,636,401.80/98,858,567.34 = 40,698,268.20/x
  3. Step 3: Cross multiply
    71,636,401.80x = 98,858,567.34 × 40,698,268.20
  4. Step 4: Simplify right side
    71,636,401.80x = 4,023,372,487,471,081
  5. Step 5: Solve for x
    x = 4,023,372,487,471,081/71,636,401.80
  6. Step 6: Final answer
    x = 56,163,799.22

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1.5x scale

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.