Home / 57,033,948.10-78,706,869.33-30,928,459.18

Finding the Fourth Proportional to 57,033,948.10, 78,706,869.33 and 30,928,459.18

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Solution

The fourth proportional to 57,033,948.10, 78,706,869.33 and 30,928,459.18 is: 42,681,285.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,033,948.10 : 78,706,869.33 = 30,928,459.18 : x
  2. Step 2: Convert to fraction form
    57,033,948.10/78,706,869.33 = 30,928,459.18/x
  3. Step 3: Cross multiply
    57,033,948.10x = 78,706,869.33 × 30,928,459.18
  4. Step 4: Simplify right side
    57,033,948.10x = 2,434,282,195,258,499
  5. Step 5: Solve for x
    x = 2,434,282,195,258,499/57,033,948.10
  6. Step 6: Final answer
    x = 42,681,285.03

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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.