Home / 84,943,867.32-127,335,071.52-54,152,029.98

Finding the Fourth Proportional to 84,943,867.32, 127,335,071.52 and 54,152,029.98

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Solution

The fourth proportional to 84,943,867.32, 127,335,071.52 and 54,152,029.98 is: 81,176,579.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,943,867.32 : 127,335,071.52 = 54,152,029.98 : x
  2. Step 2: Convert to fraction form
    84,943,867.32/127,335,071.52 = 54,152,029.98/x
  3. Step 3: Cross multiply
    84,943,867.32x = 127,335,071.52 × 54,152,029.98
  4. Step 4: Simplify right side
    84,943,867.32x = 6,895,452,610,456,484
  5. Step 5: Solve for x
    x = 6,895,452,610,456,484/84,943,867.32
  6. Step 6: Final answer
    x = 81,176,579.64

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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.