Home / 66,306,730.65-99,475,006.07-20,244,746.27

Finding the Fourth Proportional to 66,306,730.65, 99,475,006.07 and 20,244,746.27

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Solution

The fourth proportional to 66,306,730.65, 99,475,006.07 and 20,244,746.27 is: 30,371,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,306,730.65 : 99,475,006.07 = 20,244,746.27 : x
  2. Step 2: Convert to fraction form
    66,306,730.65/99,475,006.07 = 20,244,746.27/x
  3. Step 3: Cross multiply
    66,306,730.65x = 99,475,006.07 × 20,244,746.27
  4. Step 4: Simplify right side
    66,306,730.65x = 2,013,846,257,495,261
  5. Step 5: Solve for x
    x = 2,013,846,257,495,261/66,306,730.65
  6. Step 6: Final answer
    x = 30,371,671.74

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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.