Home / 87,227,320.40-130,589,038.20-53,215,096.40

Finding the Fourth Proportional to 87,227,320.40, 130,589,038.20 and 53,215,096.40

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Solution

The fourth proportional to 87,227,320.40, 130,589,038.20 and 53,215,096.40 is: 79,668,941.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,227,320.40 : 130,589,038.20 = 53,215,096.40 : x
  2. Step 2: Convert to fraction form
    87,227,320.40/130,589,038.20 = 53,215,096.40/x
  3. Step 3: Cross multiply
    87,227,320.40x = 130,589,038.20 × 53,215,096.40
  4. Step 4: Simplify right side
    87,227,320.40x = 6,949,308,256,596,282
  5. Step 5: Solve for x
    x = 6,949,308,256,596,282/87,227,320.40
  6. Step 6: Final answer
    x = 79,668,941.16

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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.