Home / 255,021,360.36-382,530,756.53-99,590,951.79

Finding the Fourth Proportional to 255,021,360.36, 382,530,756.53 and 99,590,951.79

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Solution

The fourth proportional to 255,021,360.36, 382,530,756.53 and 99,590,951.79 is: 149,385,926.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,021,360.36 : 382,530,756.53 = 99,590,951.79 : x
  2. Step 2: Convert to fraction form
    255,021,360.36/382,530,756.53 = 99,590,951.79/x
  3. Step 3: Cross multiply
    255,021,360.36x = 382,530,756.53 × 99,590,951.79
  4. Step 4: Simplify right side
    255,021,360.36x = 38,096,602,131,273,504
  5. Step 5: Solve for x
    x = 38,096,602,131,273,504/255,021,360.36
  6. Step 6: Final answer
    x = 149,385,926.25

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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.