Home / 253,027,376.46-379,592,830.30-87,009,319.93

Finding the Fourth Proportional to 253,027,376.46, 379,592,830.30 and 87,009,319.93

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Solution

The fourth proportional to 253,027,376.46, 379,592,830.30 and 87,009,319.93 is: 130,531,780.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,027,376.46 : 379,592,830.30 = 87,009,319.93 : x
  2. Step 2: Convert to fraction form
    253,027,376.46/379,592,830.30 = 87,009,319.93/x
  3. Step 3: Cross multiply
    253,027,376.46x = 379,592,830.30 × 87,009,319.93
  4. Step 4: Simplify right side
    253,027,376.46x = 33,028,114,013,540,392
  5. Step 5: Solve for x
    x = 33,028,114,013,540,392/253,027,376.46
  6. Step 6: Final answer
    x = 130,531,780.69

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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.