Home / 57,088,768.17-78,783,088.83-30,983,511.45

Finding the Fourth Proportional to 57,088,768.17, 78,783,088.83 and 30,983,511.45

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Solution

The fourth proportional to 57,088,768.17, 78,783,088.83 and 30,983,511.45 is: 42,757,565.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,088,768.17 : 78,783,088.83 = 30,983,511.45 : x
  2. Step 2: Convert to fraction form
    57,088,768.17/78,783,088.83 = 30,983,511.45/x
  3. Step 3: Cross multiply
    57,088,768.17x = 78,783,088.83 × 30,983,511.45
  4. Step 4: Simplify right side
    57,088,768.17x = 2,440,976,734,830,672
  5. Step 5: Solve for x
    x = 2,440,976,734,830,672/57,088,768.17
  6. Step 6: Final answer
    x = 42,757,565.33

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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.