Home / 147,622,915.20-221,434,372.80-99,249,974.40

Finding the Fourth Proportional to 147,622,915.20, 221,434,372.80 and 99,249,974.40

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Solution

The fourth proportional to 147,622,915.20, 221,434,372.80 and 99,249,974.40 is: 148,874,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,915.20 : 221,434,372.80 = 99,249,974.40 : x
  2. Step 2: Convert to fraction form
    147,622,915.20/221,434,372.80 = 99,249,974.40/x
  3. Step 3: Cross multiply
    147,622,915.20x = 221,434,372.80 × 99,249,974.40
  4. Step 4: Simplify right side
    147,622,915.20x = 21,977,355,831,680,060
  5. Step 5: Solve for x
    x = 21,977,355,831,680,060/147,622,915.20
  6. Step 6: Final answer
    x = 148,874,961.60

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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.