Home / 144,828,999.10-217,495,441.05-76,804,551.10

Finding the Fourth Proportional to 144,828,999.10, 217,495,441.05 and 76,804,551.10

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Solution

The fourth proportional to 144,828,999.10, 217,495,441.05 and 76,804,551.10 is: 115,340,434.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,828,999.10 : 217,495,441.05 = 76,804,551.10 : x
  2. Step 2: Convert to fraction form
    144,828,999.10/217,495,441.05 = 76,804,551.10/x
  3. Step 3: Cross multiply
    144,828,999.10x = 217,495,441.05 × 76,804,551.10
  4. Step 4: Simplify right side
    144,828,999.10x = 16,704,639,716,141,762
  5. Step 5: Solve for x
    x = 16,704,639,716,141,762/144,828,999.10
  6. Step 6: Final answer
    x = 115,340,434.72

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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.