Home / 53,862,742.56-74,330,669.88-30,657,871.20

Finding the Fourth Proportional to 53,862,742.56, 74,330,669.88 and 30,657,871.20

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Solution

The fourth proportional to 53,862,742.56, 74,330,669.88 and 30,657,871.20 is: 42,307,910.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,862,742.56 : 74,330,669.88 = 30,657,871.20 : x
  2. Step 2: Convert to fraction form
    53,862,742.56/74,330,669.88 = 30,657,871.20/x
  3. Step 3: Cross multiply
    53,862,742.56x = 74,330,669.88 × 30,657,871.20
  4. Step 4: Simplify right side
    53,862,742.56x = 2,278,820,103,390,759.50
  5. Step 5: Solve for x
    x = 2,278,820,103,390,759.50/53,862,742.56
  6. Step 6: Final answer
    x = 42,307,910.72

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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.