Home / 64,362,503.40-96,543,755.10-21,812,231.40

Finding the Fourth Proportional to 64,362,503.40, 96,543,755.10 and 21,812,231.40

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Solution

The fourth proportional to 64,362,503.40, 96,543,755.10 and 21,812,231.40 is: 32,718,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,362,503.40 : 96,543,755.10 = 21,812,231.40 : x
  2. Step 2: Convert to fraction form
    64,362,503.40/96,543,755.10 = 21,812,231.40/x
  3. Step 3: Cross multiply
    64,362,503.40x = 96,543,755.10 × 21,812,231.40
  4. Step 4: Simplify right side
    64,362,503.40x = 2,105,834,726,466,129.75
  5. Step 5: Solve for x
    x = 2,105,834,726,466,129.75/64,362,503.40
  6. Step 6: Final answer
    x = 32,718,347.10

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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.