Home / 235,342,313-353,015,242.94-81,988,123.40

Finding the Fourth Proportional to 235,342,313, 353,015,242.94 and 81,988,123.40

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Solution

The fourth proportional to 235,342,313, 353,015,242.94 and 81,988,123.40 is: 122,982,802.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,342,313 : 353,015,242.94 = 81,988,123.40 : x
  2. Step 2: Convert to fraction form
    235,342,313/353,015,242.94 = 81,988,123.40/x
  3. Step 3: Cross multiply
    235,342,313x = 353,015,242.94 × 81,988,123.40
  4. Step 4: Simplify right side
    235,342,313x = 28,943,057,300,245,700
  5. Step 5: Solve for x
    x = 28,943,057,300,245,700/235,342,313
  6. Step 6: Final answer
    x = 122,982,802.93

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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.