Home / 242,256,076.80-363,460,343.70-86,703,835.86

Finding the Fourth Proportional to 242,256,076.80, 363,460,343.70 and 86,703,835.86

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Solution

The fourth proportional to 242,256,076.80, 363,460,343.70 and 86,703,835.86 is: 130,083,036.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,256,076.80 : 363,460,343.70 = 86,703,835.86 : x
  2. Step 2: Convert to fraction form
    242,256,076.80/363,460,343.70 = 86,703,835.86/x
  3. Step 3: Cross multiply
    242,256,076.80x = 363,460,343.70 × 86,703,835.86
  4. Step 4: Simplify right side
    242,256,076.80x = 31,513,405,981,783,984
  5. Step 5: Solve for x
    x = 31,513,405,981,783,984/242,256,076.80
  6. Step 6: Final answer
    x = 130,083,036.09

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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.