Home / 61,831,947.40-92,747,921.10-21,442,431.40

Finding the Fourth Proportional to 61,831,947.40, 92,747,921.10 and 21,442,431.40

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Solution

The fourth proportional to 61,831,947.40, 92,747,921.10 and 21,442,431.40 is: 32,163,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,831,947.40 : 92,747,921.10 = 21,442,431.40 : x
  2. Step 2: Convert to fraction form
    61,831,947.40/92,747,921.10 = 21,442,431.40/x
  3. Step 3: Cross multiply
    61,831,947.40x = 92,747,921.10 × 21,442,431.40
  4. Step 4: Simplify right side
    61,831,947.40x = 1,988,740,935,679,362.25
  5. Step 5: Solve for x
    x = 1,988,740,935,679,362.25/61,831,947.40
  6. Step 6: Final answer
    x = 32,163,647.10

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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.