Home / 42,774,868.20-64,154,429.10-26,571,822.60

Finding the Fourth Proportional to 42,774,868.20, 64,154,429.10 and 26,571,822.60

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Solution

The fourth proportional to 42,774,868.20, 64,154,429.10 and 26,571,822.60 is: 39,852,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,774,868.20 : 64,154,429.10 = 26,571,822.60 : x
  2. Step 2: Convert to fraction form
    42,774,868.20/64,154,429.10 = 26,571,822.60/x
  3. Step 3: Cross multiply
    42,774,868.20x = 64,154,429.10 × 26,571,822.60
  4. Step 4: Simplify right side
    42,774,868.20x = 1,704,700,109,049,477.75
  5. Step 5: Solve for x
    x = 1,704,700,109,049,477.75/42,774,868.20
  6. Step 6: Final answer
    x = 39,852,843.05

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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.