Home / 92,093,388.81-138,071,981.64-55,693,686.87

Finding the Fourth Proportional to 92,093,388.81, 138,071,981.64 and 55,693,686.87

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Solution

The fourth proportional to 92,093,388.81, 138,071,981.64 and 55,693,686.87 is: 83,499,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,093,388.81 : 138,071,981.64 = 55,693,686.87 : x
  2. Step 2: Convert to fraction form
    92,093,388.81/138,071,981.64 = 55,693,686.87/x
  3. Step 3: Cross multiply
    92,093,388.81x = 138,071,981.64 × 55,693,686.87
  4. Step 4: Simplify right side
    92,093,388.81x = 7,689,737,710,978,548
  5. Step 5: Solve for x
    x = 7,689,737,710,978,548/92,093,388.81
  6. Step 6: Final answer
    x = 83,499,345.72

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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.