Home / 70,273,877.76-105,007,999.68-53,563,010.40

Finding the Fourth Proportional to 70,273,877.76, 105,007,999.68 and 53,563,010.40

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Solution

The fourth proportional to 70,273,877.76, 105,007,999.68 and 53,563,010.40 is: 80,037,487.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,273,877.76 : 105,007,999.68 = 53,563,010.40 : x
  2. Step 2: Convert to fraction form
    70,273,877.76/105,007,999.68 = 53,563,010.40/x
  3. Step 3: Cross multiply
    70,273,877.76x = 105,007,999.68 × 53,563,010.40
  4. Step 4: Simplify right side
    70,273,877.76x = 5,624,544,578,943,037
  5. Step 5: Solve for x
    x = 5,624,544,578,943,037/70,273,877.76
  6. Step 6: Final answer
    x = 80,037,487.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.