Home / 144,828,979.10-217,495,411.05-76,804,531.10

Finding the Fourth Proportional to 144,828,979.10, 217,495,411.05 and 76,804,531.10

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Solution

The fourth proportional to 144,828,979.10, 217,495,411.05 and 76,804,531.10 is: 115,340,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,828,979.10 : 217,495,411.05 = 76,804,531.10 : x
  2. Step 2: Convert to fraction form
    144,828,979.10/217,495,411.05 = 76,804,531.10/x
  3. Step 3: Cross multiply
    144,828,979.10x = 217,495,411.05 × 76,804,531.10
  4. Step 4: Simplify right side
    144,828,979.10x = 16,704,633,062,097,008
  5. Step 5: Solve for x
    x = 16,704,633,062,097,008/144,828,979.10
  6. Step 6: Final answer
    x = 115,340,404.70

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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.