Home / 75,043,668.80-103,418,728.08-60,142,066.40

Finding the Fourth Proportional to 75,043,668.80, 103,418,728.08 and 60,142,066.40

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Solution

The fourth proportional to 75,043,668.80, 103,418,728.08 and 60,142,066.40 is: 82,882,621.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,043,668.80 : 103,418,728.08 = 60,142,066.40 : x
  2. Step 2: Convert to fraction form
    75,043,668.80/103,418,728.08 = 60,142,066.40/x
  3. Step 3: Cross multiply
    75,043,668.80x = 103,418,728.08 × 60,142,066.40
  4. Step 4: Simplify right side
    75,043,668.80x = 6,219,816,011,190,904
  5. Step 5: Solve for x
    x = 6,219,816,011,190,904/75,043,668.80
  6. Step 6: Final answer
    x = 82,882,621.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.