Home / 139,888,530.59-193,046,358.17-77,163,213.62

Finding the Fourth Proportional to 139,888,530.59, 193,046,358.17 and 77,163,213.62

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Solution

The fourth proportional to 139,888,530.59, 193,046,358.17 and 77,163,213.62 is: 106,485,337.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,888,530.59 : 193,046,358.17 = 77,163,213.62 : x
  2. Step 2: Convert to fraction form
    139,888,530.59/193,046,358.17 = 77,163,213.62/x
  3. Step 3: Cross multiply
    139,888,530.59x = 193,046,358.17 × 77,163,213.62
  4. Step 4: Simplify right side
    139,888,530.59x = 14,896,077,374,710,268
  5. Step 5: Solve for x
    x = 14,896,077,374,710,268/139,888,530.59
  6. Step 6: Final answer
    x = 106,485,337.38

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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.