Home / 122,001,967.32-168,356,652.84-69,070,443.72

Finding the Fourth Proportional to 122,001,967.32, 168,356,652.84 and 69,070,443.72

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Solution

The fourth proportional to 122,001,967.32, 168,356,652.84 and 69,070,443.72 is: 95,313,780.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,001,967.32 : 168,356,652.84 = 69,070,443.72 : x
  2. Step 2: Convert to fraction form
    122,001,967.32/168,356,652.84 = 69,070,443.72/x
  3. Step 3: Cross multiply
    122,001,967.32x = 168,356,652.84 × 69,070,443.72
  4. Step 4: Simplify right side
    122,001,967.32x = 11,628,468,714,872,798
  5. Step 5: Solve for x
    x = 11,628,468,714,872,798/122,001,967.32
  6. Step 6: Final answer
    x = 95,313,780.35

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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.