Home / 253,403,862.89-349,697,330.75-137,510,358.89

Finding the Fourth Proportional to 253,403,862.89, 349,697,330.75 and 137,510,358.89

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Solution

The fourth proportional to 253,403,862.89, 349,697,330.75 and 137,510,358.89 is: 189,764,295.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,403,862.89 : 349,697,330.75 = 137,510,358.89 : x
  2. Step 2: Convert to fraction form
    253,403,862.89/349,697,330.75 = 137,510,358.89/x
  3. Step 3: Cross multiply
    253,403,862.89x = 349,697,330.75 × 137,510,358.89
  4. Step 4: Simplify right side
    253,403,862.89x = 48,087,005,452,902,816
  5. Step 5: Solve for x
    x = 48,087,005,452,902,816/253,403,862.89
  6. Step 6: Final answer
    x = 189,764,295.25

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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.