Home / 287,558,894.03-430,899,382.80-170,744,209.22

Finding the Fourth Proportional to 287,558,894.03, 430,899,382.80 and 170,744,209.22

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Solution

The fourth proportional to 287,558,894.03, 430,899,382.80 and 170,744,209.22 is: 255,855,673.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,558,894.03 : 430,899,382.80 = 170,744,209.22 : x
  2. Step 2: Convert to fraction form
    287,558,894.03/430,899,382.80 = 170,744,209.22/x
  3. Step 3: Cross multiply
    287,558,894.03x = 430,899,382.80 × 170,744,209.22
  4. Step 4: Simplify right side
    287,558,894.03x = 73,573,574,370,649,312
  5. Step 5: Solve for x
    x = 73,573,574,370,649,312/287,558,894.03
  6. Step 6: Final answer
    x = 255,855,673.04

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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.