Home / 84,725,807.68-127,030,692.45-43,146,197.59

Finding the Fourth Proportional to 84,725,807.68, 127,030,692.45 and 43,146,197.59

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Solution

The fourth proportional to 84,725,807.68, 127,030,692.45 and 43,146,197.59 is: 64,689,750.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,725,807.68 : 127,030,692.45 = 43,146,197.59 : x
  2. Step 2: Convert to fraction form
    84,725,807.68/127,030,692.45 = 43,146,197.59/x
  3. Step 3: Cross multiply
    84,725,807.68x = 127,030,692.45 × 43,146,197.59
  4. Step 4: Simplify right side
    84,725,807.68x = 5,480,891,356,442,222
  5. Step 5: Solve for x
    x = 5,480,891,356,442,222/84,725,807.68
  6. Step 6: Final answer
    x = 64,689,750.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.