Home / 91,014,193,999.20-136,521,290,998.80-83,830,812,290.40

Finding the Fourth Proportional to 91,014,193,999.20, 136,521,290,998.80 and 83,830,812,290.40

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Solution

The fourth proportional to 91,014,193,999.20, 136,521,290,998.80 and 83,830,812,290.40 is: 125,746,218,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,014,193,999.20 : 136,521,290,998.80 = 83,830,812,290.40 : x
  2. Step 2: Convert to fraction form
    91,014,193,999.20/136,521,290,998.80 = 83,830,812,290.40/x
  3. Step 3: Cross multiply
    91,014,193,999.20x = 136,521,290,998.80 × 83,830,812,290.40
  4. Step 4: Simplify right side
    91,014,193,999.20x = 11,444,690,719,363,477,536,768
  5. Step 5: Solve for x
    x = 11,444,690,719,363,477,536,768/91,014,193,999.20
  6. Step 6: Final answer
    x = 125,746,218,435.60

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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.