Home / 66,449,541.40-99,674,312.10-49,443,429.40

Finding the Fourth Proportional to 66,449,541.40, 99,674,312.10 and 49,443,429.40

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Solution

The fourth proportional to 66,449,541.40, 99,674,312.10 and 49,443,429.40 is: 74,165,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,449,541.40 : 99,674,312.10 = 49,443,429.40 : x
  2. Step 2: Convert to fraction form
    66,449,541.40/99,674,312.10 = 49,443,429.40/x
  3. Step 3: Cross multiply
    66,449,541.40x = 99,674,312.10 × 49,443,429.40
  4. Step 4: Simplify right side
    66,449,541.40x = 4,928,239,813,309,915
  5. Step 5: Solve for x
    x = 4,928,239,813,309,915/66,449,541.40
  6. Step 6: Final answer
    x = 74,165,144.10

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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.