Home / 293,422,609.80-440,187,058.80-147,488,911.20

Finding the Fourth Proportional to 293,422,609.80, 440,187,058.80 and 147,488,911.20

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Solution

The fourth proportional to 293,422,609.80, 440,187,058.80 and 147,488,911.20 is: 221,260,079.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,422,609.80 : 440,187,058.80 = 147,488,911.20 : x
  2. Step 2: Convert to fraction form
    293,422,609.80/440,187,058.80 = 147,488,911.20/x
  3. Step 3: Cross multiply
    293,422,609.80x = 440,187,058.80 × 147,488,911.20
  4. Step 4: Simplify right side
    293,422,609.80x = 64,922,710,026,742,376
  5. Step 5: Solve for x
    x = 64,922,710,026,742,376/293,422,609.80
  6. Step 6: Final answer
    x = 221,260,079.69

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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.