Home / 207,723,151.20-286,629,868.56-118,426,614.54

Finding the Fourth Proportional to 207,723,151.20, 286,629,868.56 and 118,426,614.54

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Solution

The fourth proportional to 207,723,151.20, 286,629,868.56 and 118,426,614.54 is: 163,412,719.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,723,151.20 : 286,629,868.56 = 118,426,614.54 : x
  2. Step 2: Convert to fraction form
    207,723,151.20/286,629,868.56 = 118,426,614.54/x
  3. Step 3: Cross multiply
    207,723,151.20x = 286,629,868.56 × 118,426,614.54
  4. Step 4: Simplify right side
    207,723,151.20x = 33,944,604,959,605,988
  5. Step 5: Solve for x
    x = 33,944,604,959,605,988/207,723,151.20
  6. Step 6: Final answer
    x = 163,412,719.11

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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.