Home / 70,570,217.64-105,843,585.49-21,374,374.42

Finding the Fourth Proportional to 70,570,217.64, 105,843,585.49 and 21,374,374.42

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Solution

The fourth proportional to 70,570,217.64, 105,843,585.49 and 21,374,374.42 is: 32,058,005.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,570,217.64 : 105,843,585.49 = 21,374,374.42 : x
  2. Step 2: Convert to fraction form
    70,570,217.64/105,843,585.49 = 21,374,374.42/x
  3. Step 3: Cross multiply
    70,570,217.64x = 105,843,585.49 × 21,374,374.42
  4. Step 4: Simplify right side
    70,570,217.64x = 2,262,340,426,218,539
  5. Step 5: Solve for x
    x = 2,262,340,426,218,539/70,570,217.64
  6. Step 6: Final answer
    x = 32,058,005.51

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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.