Home / 201,204,812.10-301,807,218.15-99,168,140.10

Finding the Fourth Proportional to 201,204,812.10, 301,807,218.15 and 99,168,140.10

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Solution

The fourth proportional to 201,204,812.10, 301,807,218.15 and 99,168,140.10 is: 148,752,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,812.10 : 301,807,218.15 = 99,168,140.10 : x
  2. Step 2: Convert to fraction form
    201,204,812.10/301,807,218.15 = 99,168,140.10/x
  3. Step 3: Cross multiply
    201,204,812.10x = 301,807,218.15 × 99,168,140.10
  4. Step 4: Simplify right side
    201,204,812.10x = 29,929,660,492,690,460
  5. Step 5: Solve for x
    x = 29,929,660,492,690,460/201,204,812.10
  6. Step 6: Final answer
    x = 148,752,210.15

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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.