Home / 158,808,001.20-238,212,001.80-67,940,775.60

Finding the Fourth Proportional to 158,808,001.20, 238,212,001.80 and 67,940,775.60

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Solution

The fourth proportional to 158,808,001.20, 238,212,001.80 and 67,940,775.60 is: 101,911,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,808,001.20 : 238,212,001.80 = 67,940,775.60 : x
  2. Step 2: Convert to fraction form
    158,808,001.20/238,212,001.80 = 67,940,775.60/x
  3. Step 3: Cross multiply
    158,808,001.20x = 238,212,001.80 × 67,940,775.60
  4. Step 4: Simplify right side
    158,808,001.20x = 16,184,308,159,520,596
  5. Step 5: Solve for x
    x = 16,184,308,159,520,596/158,808,001.20
  6. Step 6: Final answer
    x = 101,911,163.40

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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.