Home / 106,024,477.20-159,036,715.80-85,869,085.20

Finding the Fourth Proportional to 106,024,477.20, 159,036,715.80 and 85,869,085.20

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Solution

The fourth proportional to 106,024,477.20, 159,036,715.80 and 85,869,085.20 is: 128,803,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,024,477.20 : 159,036,715.80 = 85,869,085.20 : x
  2. Step 2: Convert to fraction form
    106,024,477.20/159,036,715.80 = 85,869,085.20/x
  3. Step 3: Cross multiply
    106,024,477.20x = 159,036,715.80 × 85,869,085.20
  4. Step 4: Simplify right side
    106,024,477.20x = 13,656,337,298,958,388
  5. Step 5: Solve for x
    x = 13,656,337,298,958,388/106,024,477.20
  6. Step 6: Final answer
    x = 128,803,627.80

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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.