Home / 85,536,050.60-128,304,075.90-83,016,626.60

Finding the Fourth Proportional to 85,536,050.60, 128,304,075.90 and 83,016,626.60

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Solution

The fourth proportional to 85,536,050.60, 128,304,075.90 and 83,016,626.60 is: 124,524,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536,050.60 : 128,304,075.90 = 83,016,626.60 : x
  2. Step 2: Convert to fraction form
    85,536,050.60/128,304,075.90 = 83,016,626.60/x
  3. Step 3: Cross multiply
    85,536,050.60x = 128,304,075.90 × 83,016,626.60
  4. Step 4: Simplify right side
    85,536,050.60x = 10,651,371,560,248,358
  5. Step 5: Solve for x
    x = 10,651,371,560,248,358/85,536,050.60
  6. Step 6: Final answer
    x = 124,524,939.90

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Similar ratio
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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.