Home / 106,345,481.40-159,518,222.10-91,039,980.60

Finding the Fourth Proportional to 106,345,481.40, 159,518,222.10 and 91,039,980.60

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Solution

The fourth proportional to 106,345,481.40, 159,518,222.10 and 91,039,980.60 is: 136,559,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,345,481.40 : 159,518,222.10 = 91,039,980.60 : x
  2. Step 2: Convert to fraction form
    106,345,481.40/159,518,222.10 = 91,039,980.60/x
  3. Step 3: Cross multiply
    106,345,481.40x = 159,518,222.10 × 91,039,980.60
  4. Step 4: Simplify right side
    106,345,481.40x = 14,522,535,845,330,490
  5. Step 5: Solve for x
    x = 14,522,535,845,330,490/106,345,481.40
  6. Step 6: Final answer
    x = 136,559,970.90

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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.