Home / 84,817,376.46-127,108,358.73-38,646,409.77

Finding the Fourth Proportional to 84,817,376.46, 127,108,358.73 and 38,646,409.77

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Solution

The fourth proportional to 84,817,376.46, 127,108,358.73 and 38,646,409.77 is: 57,915,982.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,817,376.46 : 127,108,358.73 = 38,646,409.77 : x
  2. Step 2: Convert to fraction form
    84,817,376.46/127,108,358.73 = 38,646,409.77/x
  3. Step 3: Cross multiply
    84,817,376.46x = 127,108,358.73 × 38,646,409.77
  4. Step 4: Simplify right side
    84,817,376.46x = 4,912,281,716,671,737
  5. Step 5: Solve for x
    x = 4,912,281,716,671,737/84,817,376.46
  6. Step 6: Final answer
    x = 57,915,982.81

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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.