Home / 70,353,634-105,518,039.70-27,187,349.68

Finding the Fourth Proportional to 70,353,634, 105,518,039.70 and 27,187,349.68

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Solution

The fourth proportional to 70,353,634, 105,518,039.70 and 27,187,349.68 is: 40,776,228.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,353,634 : 105,518,039.70 = 27,187,349.68 : x
  2. Step 2: Convert to fraction form
    70,353,634/105,518,039.70 = 27,187,349.68/x
  3. Step 3: Cross multiply
    70,353,634x = 105,518,039.70 × 27,187,349.68
  4. Step 4: Simplify right side
    70,353,634x = 2,868,755,842,872,022.50
  5. Step 5: Solve for x
    x = 2,868,755,842,872,022.50/70,353,634
  6. Step 6: Final answer
    x = 40,776,228.32

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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.