Home / 212,076,182.40-317,890,324.80-121,003,670.40

Finding the Fourth Proportional to 212,076,182.40, 317,890,324.80 and 121,003,670.40

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Solution

The fourth proportional to 212,076,182.40, 317,890,324.80 and 121,003,670.40 is: 181,377,727.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,076,182.40 : 317,890,324.80 = 121,003,670.40 : x
  2. Step 2: Convert to fraction form
    212,076,182.40/317,890,324.80 = 121,003,670.40/x
  3. Step 3: Cross multiply
    212,076,182.40x = 317,890,324.80 × 121,003,670.40
  4. Step 4: Simplify right side
    212,076,182.40x = 38,465,896,085,448,152
  5. Step 5: Solve for x
    x = 38,465,896,085,448,152/212,076,182.40
  6. Step 6: Final answer
    x = 181,377,727.81

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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.