Home / 70,593,411.39-105,896,216.78-19,475,430.20

Finding the Fourth Proportional to 70,593,411.39, 105,896,216.78 and 19,475,430.20

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Solution

The fourth proportional to 70,593,411.39, 105,896,216.78 and 19,475,430.20 is: 29,214,828.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,593,411.39 : 105,896,216.78 = 19,475,430.20 : x
  2. Step 2: Convert to fraction form
    70,593,411.39/105,896,216.78 = 19,475,430.20/x
  3. Step 3: Cross multiply
    70,593,411.39x = 105,896,216.78 × 19,475,430.20
  4. Step 4: Simplify right side
    70,593,411.39x = 2,062,374,378,342,958.75
  5. Step 5: Solve for x
    x = 2,062,374,378,342,958.75/70,593,411.39
  6. Step 6: Final answer
    x = 29,214,828.09

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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.