Home / 54,541,989.86-81,813,077.76-43,681,254.98

Finding the Fourth Proportional to 54,541,989.86, 81,813,077.76 and 43,681,254.98

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Solution

The fourth proportional to 54,541,989.86, 81,813,077.76 and 43,681,254.98 is: 65,521,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,541,989.86 : 81,813,077.76 = 43,681,254.98 : x
  2. Step 2: Convert to fraction form
    54,541,989.86/81,813,077.76 = 43,681,254.98/x
  3. Step 3: Cross multiply
    54,541,989.86x = 81,813,077.76 × 43,681,254.98
  4. Step 4: Simplify right side
    54,541,989.86x = 3,573,697,910,333,127
  5. Step 5: Solve for x
    x = 3,573,697,910,333,127/54,541,989.86
  6. Step 6: Final answer
    x = 65,521,956.93

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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.