Home / 168,455,778.17-232,429,116.67-97,849,440.28

Finding the Fourth Proportional to 168,455,778.17, 232,429,116.67 and 97,849,440.28

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Solution

The fourth proportional to 168,455,778.17, 232,429,116.67 and 97,849,440.28 is: 135,009,076.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,455,778.17 : 232,429,116.67 = 97,849,440.28 : x
  2. Step 2: Convert to fraction form
    168,455,778.17/232,429,116.67 = 97,849,440.28/x
  3. Step 3: Cross multiply
    168,455,778.17x = 232,429,116.67 × 97,849,440.28
  4. Step 4: Simplify right side
    168,455,778.17x = 22,743,058,970,980,228
  5. Step 5: Solve for x
    x = 22,743,058,970,980,228/168,455,778.17
  6. Step 6: Final answer
    x = 135,009,076.08

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1.5x scale

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.