Home / 111,707,795.40-167,561,693.10-103,645,638.60

Finding the Fourth Proportional to 111,707,795.40, 167,561,693.10 and 103,645,638.60

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Solution

The fourth proportional to 111,707,795.40, 167,561,693.10 and 103,645,638.60 is: 155,468,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,707,795.40 : 167,561,693.10 = 103,645,638.60 : x
  2. Step 2: Convert to fraction form
    111,707,795.40/167,561,693.10 = 103,645,638.60/x
  3. Step 3: Cross multiply
    111,707,795.40x = 167,561,693.10 × 103,645,638.60
  4. Step 4: Simplify right side
    111,707,795.40x = 17,367,038,686,246,712
  5. Step 5: Solve for x
    x = 17,367,038,686,246,712/111,707,795.40
  6. Step 6: Final answer
    x = 155,468,457.90

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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.