Home / 43,328,643.28-64,605,595.40-42,138,215.44

Finding the Fourth Proportional to 43,328,643.28, 64,605,595.40 and 42,138,215.44

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Solution

The fourth proportional to 43,328,643.28, 64,605,595.40 and 42,138,215.44 is: 62,830,596.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,328,643.28 : 64,605,595.40 = 42,138,215.44 : x
  2. Step 2: Convert to fraction form
    43,328,643.28/64,605,595.40 = 42,138,215.44/x
  3. Step 3: Cross multiply
    43,328,643.28x = 64,605,595.40 × 42,138,215.44
  4. Step 4: Simplify right side
    43,328,643.28x = 2,722,364,497,594,673
  5. Step 5: Solve for x
    x = 2,722,364,497,594,673/43,328,643.28
  6. Step 6: Final answer
    x = 62,830,596.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.