Home / 70,735,791-106,103,680.74-19,617,809.16

Finding the Fourth Proportional to 70,735,791, 106,103,680.74 and 19,617,809.16

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Solution

The fourth proportional to 70,735,791, 106,103,680.74 and 19,617,809.16 is: 29,426,712.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,735,791 : 106,103,680.74 = 19,617,809.16 : x
  2. Step 2: Convert to fraction form
    70,735,791/106,103,680.74 = 19,617,809.16/x
  3. Step 3: Cross multiply
    70,735,791x = 106,103,680.74 × 19,617,809.16
  4. Step 4: Simplify right side
    70,735,791x = 2,081,521,759,930,887.50
  5. Step 5: Solve for x
    x = 2,081,521,759,930,887.50/70,735,791
  6. Step 6: Final answer
    x = 29,426,712.14

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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.