Home / 106,024,903.20-159,037,354.80-86,877,280.80

Finding the Fourth Proportional to 106,024,903.20, 159,037,354.80 and 86,877,280.80

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Solution

The fourth proportional to 106,024,903.20, 159,037,354.80 and 86,877,280.80 is: 130,315,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,024,903.20 : 159,037,354.80 = 86,877,280.80 : x
  2. Step 2: Convert to fraction form
    106,024,903.20/159,037,354.80 = 86,877,280.80/x
  3. Step 3: Cross multiply
    106,024,903.20x = 159,037,354.80 × 86,877,280.80
  4. Step 4: Simplify right side
    106,024,903.20x = 13,816,732,930,648,828
  5. Step 5: Solve for x
    x = 13,816,732,930,648,828/106,024,903.20
  6. Step 6: Final answer
    x = 130,315,921.20

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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.