Home / 152,042,701.52-209,992,138.12-103,065,098.96

Finding the Fourth Proportional to 152,042,701.52, 209,992,138.12 and 103,065,098.96

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Solution

The fourth proportional to 152,042,701.52, 209,992,138.12 and 103,065,098.96 is: 142,347,250.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,042,701.52 : 209,992,138.12 = 103,065,098.96 : x
  2. Step 2: Convert to fraction form
    152,042,701.52/209,992,138.12 = 103,065,098.96/x
  3. Step 3: Cross multiply
    152,042,701.52x = 209,992,138.12 × 103,065,098.96
  4. Step 4: Simplify right side
    152,042,701.52x = 21,642,860,496,159,788
  5. Step 5: Solve for x
    x = 21,642,860,496,159,788/152,042,701.52
  6. Step 6: Final answer
    x = 142,347,250.34

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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.