Home / 39,636,145.80-59,454,218.70-28,157,020.20

Finding the Fourth Proportional to 39,636,145.80, 59,454,218.70 and 28,157,020.20

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Solution

The fourth proportional to 39,636,145.80, 59,454,218.70 and 28,157,020.20 is: 42,235,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,636,145.80 : 59,454,218.70 = 28,157,020.20 : x
  2. Step 2: Convert to fraction form
    39,636,145.80/59,454,218.70 = 28,157,020.20/x
  3. Step 3: Cross multiply
    39,636,145.80x = 59,454,218.70 × 28,157,020.20
  4. Step 4: Simplify right side
    39,636,145.80x = 1,674,053,636,911,117.75
  5. Step 5: Solve for x
    x = 1,674,053,636,911,117.75/39,636,145.80
  6. Step 6: Final answer
    x = 42,235,530.30

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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.