Home / 239,892,287.48-331,073,547.33-145,784,715.20

Finding the Fourth Proportional to 239,892,287.48, 331,073,547.33 and 145,784,715.20

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Solution

The fourth proportional to 239,892,287.48, 331,073,547.33 and 145,784,715.20 is: 201,196,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,892,287.48 : 331,073,547.33 = 145,784,715.20 : x
  2. Step 2: Convert to fraction form
    239,892,287.48/331,073,547.33 = 145,784,715.20/x
  3. Step 3: Cross multiply
    239,892,287.48x = 331,073,547.33 × 145,784,715.20
  4. Step 4: Simplify right side
    239,892,287.48x = 48,265,462,805,373,472
  5. Step 5: Solve for x
    x = 48,265,462,805,373,472/239,892,287.48
  6. Step 6: Final answer
    x = 201,196,392.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.