Home / 112,072,847.40-168,109,271.10-99,601,698.60

Finding the Fourth Proportional to 112,072,847.40, 168,109,271.10 and 99,601,698.60

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Solution

The fourth proportional to 112,072,847.40, 168,109,271.10 and 99,601,698.60 is: 149,402,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,072,847.40 : 168,109,271.10 = 99,601,698.60 : x
  2. Step 2: Convert to fraction form
    112,072,847.40/168,109,271.10 = 99,601,698.60/x
  3. Step 3: Cross multiply
    112,072,847.40x = 168,109,271.10 × 99,601,698.60
  4. Step 4: Simplify right side
    112,072,847.40x = 16,743,968,951,967,888
  5. Step 5: Solve for x
    x = 16,743,968,951,967,888/112,072,847.40
  6. Step 6: Final answer
    x = 149,402,547.90

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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.