Home / 91,012,181.60-136,518,272.40-26,318,097.20

Finding the Fourth Proportional to 91,012,181.60, 136,518,272.40 and 26,318,097.20

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Solution

The fourth proportional to 91,012,181.60, 136,518,272.40 and 26,318,097.20 is: 39,477,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,012,181.60 : 136,518,272.40 = 26,318,097.20 : x
  2. Step 2: Convert to fraction form
    91,012,181.60/136,518,272.40 = 26,318,097.20/x
  3. Step 3: Cross multiply
    91,012,181.60x = 136,518,272.40 × 26,318,097.20
  4. Step 4: Simplify right side
    91,012,181.60x = 3,592,901,162,599,277.50
  5. Step 5: Solve for x
    x = 3,592,901,162,599,277.50/91,012,181.60
  6. Step 6: Final answer
    x = 39,477,145.80

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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.