Home / 53,862,741.06-74,330,667.81-30,657,869.70

Finding the Fourth Proportional to 53,862,741.06, 74,330,667.81 and 30,657,869.70

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Solution

The fourth proportional to 53,862,741.06, 74,330,667.81 and 30,657,869.70 is: 42,307,908.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,862,741.06 : 74,330,667.81 = 30,657,869.70 : x
  2. Step 2: Convert to fraction form
    53,862,741.06/74,330,667.81 = 30,657,869.70/x
  3. Step 3: Cross multiply
    53,862,741.06x = 74,330,667.81 × 30,657,869.70
  4. Step 4: Simplify right side
    53,862,741.06x = 2,278,819,928,432,964.50
  5. Step 5: Solve for x
    x = 2,278,819,928,432,964.50/53,862,741.06
  6. Step 6: Final answer
    x = 42,307,908.65

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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.