Home / 289,471,792.30-433,851,955.08-133,815,048.40

Finding the Fourth Proportional to 289,471,792.30, 433,851,955.08 and 133,815,048.40

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Solution

The fourth proportional to 289,471,792.30, 433,851,955.08 and 133,815,048.40 is: 200,558,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,471,792.30 : 433,851,955.08 = 133,815,048.40 : x
  2. Step 2: Convert to fraction form
    289,471,792.30/433,851,955.08 = 133,815,048.40/x
  3. Step 3: Cross multiply
    289,471,792.30x = 433,851,955.08 × 133,815,048.40
  4. Step 4: Simplify right side
    289,471,792.30x = 58,055,920,367,464,824
  5. Step 5: Solve for x
    x = 58,055,920,367,464,824/289,471,792.30
  6. Step 6: Final answer
    x = 200,558,126.60

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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.