Home / 84,075,600.45-126,113,400.68-45,333,551.55

Finding the Fourth Proportional to 84,075,600.45, 126,113,400.68 and 45,333,551.55

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Solution

The fourth proportional to 84,075,600.45, 126,113,400.68 and 45,333,551.55 is: 68,000,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,075,600.45 : 126,113,400.68 = 45,333,551.55 : x
  2. Step 2: Convert to fraction form
    84,075,600.45/126,113,400.68 = 45,333,551.55/x
  3. Step 3: Cross multiply
    84,075,600.45x = 126,113,400.68 × 45,333,551.55
  4. Step 4: Simplify right side
    84,075,600.45x = 5,717,168,350,645,917
  5. Step 5: Solve for x
    x = 5,717,168,350,645,917/84,075,600.45
  6. Step 6: Final answer
    x = 68,000,327.33

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1.5x scale

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.