Home / 90,541,702,878.98-124,943,912,197.74-49,341,207,762.32

Finding the Fourth Proportional to 90,541,702,878.98, 124,943,912,197.74 and 49,341,207,762.32

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Solution

The fourth proportional to 90,541,702,878.98, 124,943,912,197.74 and 49,341,207,762.32 is: 68,088,884,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,541,702,878.98 : 124,943,912,197.74 = 49,341,207,762.32 : x
  2. Step 2: Convert to fraction form
    90,541,702,878.98/124,943,912,197.74 = 49,341,207,762.32/x
  3. Step 3: Cross multiply
    90,541,702,878.98x = 124,943,912,197.74 × 49,341,207,762.32
  4. Step 4: Simplify right side
    90,541,702,878.98x = 6,164,883,530,385,133,142,016
  5. Step 5: Solve for x
    x = 6,164,883,530,385,133,142,016/90,541,702,878.98
  6. Step 6: Final answer
    x = 68,088,884,286.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.