Home / 98,415,511.80-147,623,267.70-82,392,565.65

Finding the Fourth Proportional to 98,415,511.80, 147,623,267.70 and 82,392,565.65

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Solution

The fourth proportional to 98,415,511.80, 147,623,267.70 and 82,392,565.65 is: 123,588,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,511.80 : 147,623,267.70 = 82,392,565.65 : x
  2. Step 2: Convert to fraction form
    98,415,511.80/147,623,267.70 = 82,392,565.65/x
  3. Step 3: Cross multiply
    98,415,511.80x = 147,623,267.70 × 82,392,565.65
  4. Step 4: Simplify right side
    98,415,511.80x = 12,163,059,775,439,774
  5. Step 5: Solve for x
    x = 12,163,059,775,439,774/98,415,511.80
  6. Step 6: Final answer
    x = 123,588,848.48

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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.