Home / 103,500,975.36-155,205,993.60-38,759,373.12

Finding the Fourth Proportional to 103,500,975.36, 155,205,993.60 and 38,759,373.12

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Solution

The fourth proportional to 103,500,975.36, 155,205,993.60 and 38,759,373.12 is: 58,122,032.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,500,975.36 : 155,205,993.60 = 38,759,373.12 : x
  2. Step 2: Convert to fraction form
    103,500,975.36/155,205,993.60 = 38,759,373.12/x
  3. Step 3: Cross multiply
    103,500,975.36x = 155,205,993.60 × 38,759,373.12
  4. Step 4: Simplify right side
    103,500,975.36x = 6,015,687,016,402,731
  5. Step 5: Solve for x
    x = 6,015,687,016,402,731/103,500,975.36
  6. Step 6: Final answer
    x = 58,122,032.14

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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.