Home / 253,403,862.76-349,697,330.58-137,510,358.76

Finding the Fourth Proportional to 253,403,862.76, 349,697,330.58 and 137,510,358.76

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Solution

The fourth proportional to 253,403,862.76, 349,697,330.58 and 137,510,358.76 is: 189,764,295.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,403,862.76 : 349,697,330.58 = 137,510,358.76 : x
  2. Step 2: Convert to fraction form
    253,403,862.76/349,697,330.58 = 137,510,358.76/x
  3. Step 3: Cross multiply
    253,403,862.76x = 349,697,330.58 × 137,510,358.76
  4. Step 4: Simplify right side
    253,403,862.76x = 48,087,005,385,470,112
  5. Step 5: Solve for x
    x = 48,087,005,385,470,112/253,403,862.76
  6. Step 6: Final answer
    x = 189,764,295.07

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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.