Home / 50,007,390.80-75,011,086.20-21,254,464.40

Finding the Fourth Proportional to 50,007,390.80, 75,011,086.20 and 21,254,464.40

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Solution

The fourth proportional to 50,007,390.80, 75,011,086.20 and 21,254,464.40 is: 31,881,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,007,390.80 : 75,011,086.20 = 21,254,464.40 : x
  2. Step 2: Convert to fraction form
    50,007,390.80/75,011,086.20 = 21,254,464.40/x
  3. Step 3: Cross multiply
    50,007,390.80x = 75,011,086.20 × 21,254,464.40
  4. Step 4: Simplify right side
    50,007,390.80x = 1,594,320,461,243,231.25
  5. Step 5: Solve for x
    x = 1,594,320,461,243,231.25/50,007,390.80
  6. Step 6: Final answer
    x = 31,881,696.60

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Similar ratio
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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.