Home / 99,259,628.90-148,889,443.35-30,172,298.90

Finding the Fourth Proportional to 99,259,628.90, 148,889,443.35 and 30,172,298.90

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Solution

The fourth proportional to 99,259,628.90, 148,889,443.35 and 30,172,298.90 is: 45,258,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,259,628.90 : 148,889,443.35 = 30,172,298.90 : x
  2. Step 2: Convert to fraction form
    99,259,628.90/148,889,443.35 = 30,172,298.90/x
  3. Step 3: Cross multiply
    99,259,628.90x = 148,889,443.35 × 30,172,298.90
  4. Step 4: Simplify right side
    99,259,628.90x = 4,492,336,787,810,817
  5. Step 5: Solve for x
    x = 4,492,336,787,810,817/99,259,628.90
  6. Step 6: Final answer
    x = 45,258,448.35

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1.5x scale

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.