Home / 109,185,587,999.20-163,778,381,998.80-91,553,651,077.60

Finding the Fourth Proportional to 109,185,587,999.20, 163,778,381,998.80 and 91,553,651,077.60

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Solution

The fourth proportional to 109,185,587,999.20, 163,778,381,998.80 and 91,553,651,077.60 is: 137,330,476,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,185,587,999.20 : 163,778,381,998.80 = 91,553,651,077.60 : x
  2. Step 2: Convert to fraction form
    109,185,587,999.20/163,778,381,998.80 = 91,553,651,077.60/x
  3. Step 3: Cross multiply
    109,185,587,999.20x = 163,778,381,998.80 × 91,553,651,077.60
  4. Step 4: Simplify right side
    109,185,587,999.20x = 14,994,508,839,572,020,920,320
  5. Step 5: Solve for x
    x = 14,994,508,839,572,020,920,320/109,185,587,999.20
  6. Step 6: Final answer
    x = 137,330,476,616.40

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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.