Home / 65,020,127.85-89,724,329.24-37,137,362.58

Finding the Fourth Proportional to 65,020,127.85, 89,724,329.24 and 37,137,362.58

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Solution

The fourth proportional to 65,020,127.85, 89,724,329.24 and 37,137,362.58 is: 51,247,591.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,020,127.85 : 89,724,329.24 = 37,137,362.58 : x
  2. Step 2: Convert to fraction form
    65,020,127.85/89,724,329.24 = 37,137,362.58/x
  3. Step 3: Cross multiply
    65,020,127.85x = 89,724,329.24 × 37,137,362.58
  4. Step 4: Simplify right side
    65,020,127.85x = 3,332,124,947,047,489
  5. Step 5: Solve for x
    x = 3,332,124,947,047,489/65,020,127.85
  6. Step 6: Final answer
    x = 51,247,591.43

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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.