Home / 103,350,417.93-155,020,473.59-38,649,466.35

Finding the Fourth Proportional to 103,350,417.93, 155,020,473.59 and 38,649,466.35

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Solution

The fourth proportional to 103,350,417.93, 155,020,473.59 and 38,649,466.35 is: 57,972,272.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,350,417.93 : 155,020,473.59 = 38,649,466.35 : x
  2. Step 2: Convert to fraction form
    103,350,417.93/155,020,473.59 = 38,649,466.35/x
  3. Step 3: Cross multiply
    103,350,417.93x = 155,020,473.59 × 38,649,466.35
  4. Step 4: Simplify right side
    103,350,417.93x = 5,991,458,577,384,522
  5. Step 5: Solve for x
    x = 5,991,458,577,384,522/103,350,417.93
  6. Step 6: Final answer
    x = 57,972,272.37

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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.