Home / 86,455,384.59-119,295,407.28-49,288,894.23

Finding the Fourth Proportional to 86,455,384.59, 119,295,407.28 and 49,288,894.23

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Solution

The fourth proportional to 86,455,384.59, 119,295,407.28 and 49,288,894.23 is: 68,011,249.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,455,384.59 : 119,295,407.28 = 49,288,894.23 : x
  2. Step 2: Convert to fraction form
    86,455,384.59/119,295,407.28 = 49,288,894.23/x
  3. Step 3: Cross multiply
    86,455,384.59x = 119,295,407.28 × 49,288,894.23
  4. Step 4: Simplify right side
    86,455,384.59x = 5,879,938,711,548,692
  5. Step 5: Solve for x
    x = 5,879,938,711,548,692/86,455,384.59
  6. Step 6: Final answer
    x = 68,011,249.26

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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.