Home / 114,048,001.20-171,072,001.80-68,698,369.20

Finding the Fourth Proportional to 114,048,001.20, 171,072,001.80 and 68,698,369.20

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Solution

The fourth proportional to 114,048,001.20, 171,072,001.80 and 68,698,369.20 is: 103,047,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,048,001.20 : 171,072,001.80 = 68,698,369.20 : x
  2. Step 2: Convert to fraction form
    114,048,001.20/171,072,001.80 = 68,698,369.20/x
  3. Step 3: Cross multiply
    114,048,001.20x = 171,072,001.80 × 68,698,369.20
  4. Step 4: Simplify right side
    114,048,001.20x = 11,752,367,539,439,466
  5. Step 5: Solve for x
    x = 11,752,367,539,439,466/114,048,001.20
  6. Step 6: Final answer
    x = 103,047,553.80

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1.5x scale

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.