Home / 53,681,823.81-74,083,014.18-30,479,109.75

Finding the Fourth Proportional to 53,681,823.81, 74,083,014.18 and 30,479,109.75

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Solution

The fourth proportional to 53,681,823.81, 74,083,014.18 and 30,479,109.75 is: 42,062,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,681,823.81 : 74,083,014.18 = 30,479,109.75 : x
  2. Step 2: Convert to fraction form
    53,681,823.81/74,083,014.18 = 30,479,109.75/x
  3. Step 3: Cross multiply
    53,681,823.81x = 74,083,014.18 × 30,479,109.75
  4. Step 4: Simplify right side
    53,681,823.81x = 2,257,984,319,803,026.50
  5. Step 5: Solve for x
    x = 2,257,984,319,803,026.50/53,681,823.81
  6. Step 6: Final answer
    x = 42,062,362.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.