Home / 82,715,612.80-124,073,419.20-46,435,907.20

Finding the Fourth Proportional to 82,715,612.80, 124,073,419.20 and 46,435,907.20

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Solution

The fourth proportional to 82,715,612.80, 124,073,419.20 and 46,435,907.20 is: 69,653,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,715,612.80 : 124,073,419.20 = 46,435,907.20 : x
  2. Step 2: Convert to fraction form
    82,715,612.80/124,073,419.20 = 46,435,907.20/x
  3. Step 3: Cross multiply
    82,715,612.80x = 124,073,419.20 × 46,435,907.20
  4. Step 4: Simplify right side
    82,715,612.80x = 5,761,461,779,957,899
  5. Step 5: Solve for x
    x = 5,761,461,779,957,899/82,715,612.80
  6. Step 6: Final answer
    x = 69,653,860.80

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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.