Home / 79,872,080.80-119,808,121.20-52,976,106.40

Finding the Fourth Proportional to 79,872,080.80, 119,808,121.20 and 52,976,106.40

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Solution

The fourth proportional to 79,872,080.80, 119,808,121.20 and 52,976,106.40 is: 79,464,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,872,080.80 : 119,808,121.20 = 52,976,106.40 : x
  2. Step 2: Convert to fraction form
    79,872,080.80/119,808,121.20 = 52,976,106.40/x
  3. Step 3: Cross multiply
    79,872,080.80x = 119,808,121.20 × 52,976,106.40
  4. Step 4: Simplify right side
    79,872,080.80x = 6,346,967,776,275,296
  5. Step 5: Solve for x
    x = 6,346,967,776,275,296/79,872,080.80
  6. Step 6: Final answer
    x = 79,464,159.60

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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.