Home / 79,746,535.40-119,619,803.10-19,162,261.40

Finding the Fourth Proportional to 79,746,535.40, 119,619,803.10 and 19,162,261.40

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Solution

The fourth proportional to 79,746,535.40, 119,619,803.10 and 19,162,261.40 is: 28,743,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,746,535.40 : 119,619,803.10 = 19,162,261.40 : x
  2. Step 2: Convert to fraction form
    79,746,535.40/119,619,803.10 = 19,162,261.40/x
  3. Step 3: Cross multiply
    79,746,535.40x = 119,619,803.10 × 19,162,261.40
  4. Step 4: Simplify right side
    79,746,535.40x = 2,292,185,935,618,730
  5. Step 5: Solve for x
    x = 2,292,185,935,618,730/79,746,535.40
  6. Step 6: Final answer
    x = 28,743,392.10

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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.