Home / 86,962,223.20-130,443,334.80-82,710,695.20

Finding the Fourth Proportional to 86,962,223.20, 130,443,334.80 and 82,710,695.20

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Solution

The fourth proportional to 86,962,223.20, 130,443,334.80 and 82,710,695.20 is: 124,066,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,962,223.20 : 130,443,334.80 = 82,710,695.20 : x
  2. Step 2: Convert to fraction form
    86,962,223.20/130,443,334.80 = 82,710,695.20/x
  3. Step 3: Cross multiply
    86,962,223.20x = 130,443,334.80 × 82,710,695.20
  4. Step 4: Simplify right side
    86,962,223.20x = 10,789,058,905,514,354
  5. Step 5: Solve for x
    x = 10,789,058,905,514,354/86,962,223.20
  6. Step 6: Final answer
    x = 124,066,042.80

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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.