Home / 99,259,622.40-148,889,433.60-30,172,292.40

Finding the Fourth Proportional to 99,259,622.40, 148,889,433.60 and 30,172,292.40

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Solution

The fourth proportional to 99,259,622.40, 148,889,433.60 and 30,172,292.40 is: 45,258,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,259,622.40 : 148,889,433.60 = 30,172,292.40 : x
  2. Step 2: Convert to fraction form
    99,259,622.40/148,889,433.60 = 30,172,292.40/x
  3. Step 3: Cross multiply
    99,259,622.40x = 148,889,433.60 × 30,172,292.40
  4. Step 4: Simplify right side
    99,259,622.40x = 4,492,335,525,849,584
  5. Step 5: Solve for x
    x = 4,492,335,525,849,584/99,259,622.40
  6. Step 6: Final answer
    x = 45,258,438.60

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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.