Home / 253,403,941.56-349,697,439.39-137,510,437.56

Finding the Fourth Proportional to 253,403,941.56, 349,697,439.39 and 137,510,437.56

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Solution

The fourth proportional to 253,403,941.56, 349,697,439.39 and 137,510,437.56 is: 189,764,403.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,403,941.56 : 349,697,439.39 = 137,510,437.56 : x
  2. Step 2: Convert to fraction form
    253,403,941.56/349,697,439.39 = 137,510,437.56/x
  3. Step 3: Cross multiply
    253,403,941.56x = 349,697,439.39 × 137,510,437.56
  4. Step 4: Simplify right side
    253,403,941.56x = 48,087,047,904,130,480
  5. Step 5: Solve for x
    x = 48,087,047,904,130,480/253,403,941.56
  6. Step 6: Final answer
    x = 189,764,403.85

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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.