Home / 208,044,007.80-312,066,011.70-106,007,335.80

Finding the Fourth Proportional to 208,044,007.80, 312,066,011.70 and 106,007,335.80

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Solution

The fourth proportional to 208,044,007.80, 312,066,011.70 and 106,007,335.80 is: 159,011,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,044,007.80 : 312,066,011.70 = 106,007,335.80 : x
  2. Step 2: Convert to fraction form
    208,044,007.80/312,066,011.70 = 106,007,335.80/x
  3. Step 3: Cross multiply
    208,044,007.80x = 312,066,011.70 × 106,007,335.80
  4. Step 4: Simplify right side
    208,044,007.80x = 33,081,286,494,048,628
  5. Step 5: Solve for x
    x = 33,081,286,494,048,628/208,044,007.80
  6. Step 6: Final answer
    x = 159,011,003.70

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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.