Home / 152,656,850.81-210,666,294.68-83,042,065.64

Finding the Fourth Proportional to 152,656,850.81, 210,666,294.68 and 83,042,065.64

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Solution

The fourth proportional to 152,656,850.81, 210,666,294.68 and 83,042,065.64 is: 114,597,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,656,850.81 : 210,666,294.68 = 83,042,065.64 : x
  2. Step 2: Convert to fraction form
    152,656,850.81/210,666,294.68 = 83,042,065.64/x
  3. Step 3: Cross multiply
    152,656,850.81x = 210,666,294.68 × 83,042,065.64
  4. Step 4: Simplify right side
    152,656,850.81x = 17,494,164,269,483,604
  5. Step 5: Solve for x
    x = 17,494,164,269,483,604/152,656,850.81
  6. Step 6: Final answer
    x = 114,597,963.85

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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.