Home / 287,558,895.03-430,899,384.30-170,744,210.22

Finding the Fourth Proportional to 287,558,895.03, 430,899,384.30 and 170,744,210.22

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Solution

The fourth proportional to 287,558,895.03, 430,899,384.30 and 170,744,210.22 is: 255,855,674.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,558,895.03 : 430,899,384.30 = 170,744,210.22 : x
  2. Step 2: Convert to fraction form
    287,558,895.03/430,899,384.30 = 170,744,210.22/x
  3. Step 3: Cross multiply
    287,558,895.03x = 430,899,384.30 × 170,744,210.22
  4. Step 4: Simplify right side
    287,558,895.03x = 73,573,575,056,587,776
  5. Step 5: Solve for x
    x = 73,573,575,056,587,776/287,558,895.03
  6. Step 6: Final answer
    x = 255,855,674.54

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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.