Home / 165,955,848.30-248,933,772.45-70,205,294.70

Finding the Fourth Proportional to 165,955,848.30, 248,933,772.45 and 70,205,294.70

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Solution

The fourth proportional to 165,955,848.30, 248,933,772.45 and 70,205,294.70 is: 105,307,942.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,955,848.30 : 248,933,772.45 = 70,205,294.70 : x
  2. Step 2: Convert to fraction form
    165,955,848.30/248,933,772.45 = 70,205,294.70/x
  3. Step 3: Cross multiply
    165,955,848.30x = 248,933,772.45 × 70,205,294.70
  4. Step 4: Simplify right side
    165,955,848.30x = 17,476,468,855,634,990
  5. Step 5: Solve for x
    x = 17,476,468,855,634,990/165,955,848.30
  6. Step 6: Final answer
    x = 105,307,942.05

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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.