Home / 67,890,047.72-93,688,260.66-36,950,438.84

Finding the Fourth Proportional to 67,890,047.72, 93,688,260.66 and 36,950,438.84

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Solution

The fourth proportional to 67,890,047.72, 93,688,260.66 and 36,950,438.84 is: 50,991,602.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,890,047.72 : 93,688,260.66 = 36,950,438.84 : x
  2. Step 2: Convert to fraction form
    67,890,047.72/93,688,260.66 = 36,950,438.84/x
  3. Step 3: Cross multiply
    67,890,047.72x = 93,688,260.66 × 36,950,438.84
  4. Step 4: Simplify right side
    67,890,047.72x = 3,461,822,345,543,308
  5. Step 5: Solve for x
    x = 3,461,822,345,543,308/67,890,047.72
  6. Step 6: Final answer
    x = 50,991,602.77

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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.