Home / 170,814,897.90-256,222,346.85-162,878,712.30

Finding the Fourth Proportional to 170,814,897.90, 256,222,346.85 and 162,878,712.30

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Solution

The fourth proportional to 170,814,897.90, 256,222,346.85 and 162,878,712.30 is: 244,318,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,814,897.90 : 256,222,346.85 = 162,878,712.30 : x
  2. Step 2: Convert to fraction form
    170,814,897.90/256,222,346.85 = 162,878,712.30/x
  3. Step 3: Cross multiply
    170,814,897.90x = 256,222,346.85 × 162,878,712.30
  4. Step 4: Simplify right side
    170,814,897.90x = 41,733,165,917,411,960
  5. Step 5: Solve for x
    x = 41,733,165,917,411,960/170,814,897.90
  6. Step 6: Final answer
    x = 244,318,068.45

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1.5x scale

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.