Home / 111,936,710.40-167,905,065.60-64,072,492.80

Finding the Fourth Proportional to 111,936,710.40, 167,905,065.60 and 64,072,492.80

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Solution

The fourth proportional to 111,936,710.40, 167,905,065.60 and 64,072,492.80 is: 96,108,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,936,710.40 : 167,905,065.60 = 64,072,492.80 : x
  2. Step 2: Convert to fraction form
    111,936,710.40/167,905,065.60 = 64,072,492.80/x
  3. Step 3: Cross multiply
    111,936,710.40x = 167,905,065.60 × 64,072,492.80
  4. Step 4: Simplify right side
    111,936,710.40x = 10,758,096,106,739,526
  5. Step 5: Solve for x
    x = 10,758,096,106,739,526/111,936,710.40
  6. Step 6: Final answer
    x = 96,108,739.20

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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.