Home / 119,879,101-165,433,680.66-64,874,962.36

Finding the Fourth Proportional to 119,879,101, 165,433,680.66 and 64,874,962.36

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Solution

The fourth proportional to 119,879,101, 165,433,680.66 and 64,874,962.36 is: 89,527,730.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,879,101 : 165,433,680.66 = 64,874,962.36 : x
  2. Step 2: Convert to fraction form
    119,879,101/165,433,680.66 = 64,874,962.36/x
  3. Step 3: Cross multiply
    119,879,101x = 165,433,680.66 × 64,874,962.36
  4. Step 4: Simplify right side
    119,879,101x = 10,732,503,805,893,760
  5. Step 5: Solve for x
    x = 10,732,503,805,893,760/119,879,101
  6. Step 6: Final answer
    x = 89,527,730.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.