Home / 84,489,408,836.15-126,734,113,254.23-70,852,207,623.35

Finding the Fourth Proportional to 84,489,408,836.15, 126,734,113,254.23 and 70,852,207,623.35

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Solution

The fourth proportional to 84,489,408,836.15, 126,734,113,254.23 and 70,852,207,623.35 is: 106,278,311,435.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,489,408,836.15 : 126,734,113,254.23 = 70,852,207,623.35 : x
  2. Step 2: Convert to fraction form
    84,489,408,836.15/126,734,113,254.23 = 70,852,207,623.35/x
  3. Step 3: Cross multiply
    84,489,408,836.15x = 126,734,113,254.23 × 70,852,207,623.35
  4. Step 4: Simplify right side
    84,489,408,836.15x = 8,979,391,705,249,857,142,784
  5. Step 5: Solve for x
    x = 8,979,391,705,249,857,142,784/84,489,408,836.15
  6. Step 6: Final answer
    x = 106,278,311,435.03

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1.5x scale

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.