Home / 253,403,866.76-349,697,336.10-137,510,362.76

Finding the Fourth Proportional to 253,403,866.76, 349,697,336.10 and 137,510,362.76

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Solution

The fourth proportional to 253,403,866.76, 349,697,336.10 and 137,510,362.76 is: 189,764,300.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,403,866.76 : 349,697,336.10 = 137,510,362.76 : x
  2. Step 2: Convert to fraction form
    253,403,866.76/349,697,336.10 = 137,510,362.76/x
  3. Step 3: Cross multiply
    253,403,866.76x = 349,697,336.10 × 137,510,362.76
  4. Step 4: Simplify right side
    253,403,866.76x = 48,087,007,543,316,640
  5. Step 5: Solve for x
    x = 48,087,007,543,316,640/253,403,866.76
  6. Step 6: Final answer
    x = 189,764,300.59

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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.