Home / 154,095,269.61-212,639,670.14-88,006,644.66

Finding the Fourth Proportional to 154,095,269.61, 212,639,670.14 and 88,006,644.66

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Solution

The fourth proportional to 154,095,269.61, 212,639,670.14 and 88,006,644.66 is: 121,442,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,095,269.61 : 212,639,670.14 = 88,006,644.66 : x
  2. Step 2: Convert to fraction form
    154,095,269.61/212,639,670.14 = 88,006,644.66/x
  3. Step 3: Cross multiply
    154,095,269.61x = 212,639,670.14 × 88,006,644.66
  4. Step 4: Simplify right side
    154,095,269.61x = 18,713,703,890,190,556
  5. Step 5: Solve for x
    x = 18,713,703,890,190,556/154,095,269.61
  6. Step 6: Final answer
    x = 121,442,429.33

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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.