Home / 151,565,519.81-208,970,817.05-126,483,829.65

Finding the Fourth Proportional to 151,565,519.81, 208,970,817.05 and 126,483,829.65

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Solution

The fourth proportional to 151,565,519.81, 208,970,817.05 and 126,483,829.65 is: 174,389,460.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,565,519.81 : 208,970,817.05 = 126,483,829.65 : x
  2. Step 2: Convert to fraction form
    151,565,519.81/208,970,817.05 = 126,483,829.65/x
  3. Step 3: Cross multiply
    151,565,519.81x = 208,970,817.05 × 126,483,829.65
  4. Step 4: Simplify right side
    151,565,519.81x = 26,431,429,225,889,728
  5. Step 5: Solve for x
    x = 26,431,429,225,889,728/151,565,519.81
  6. Step 6: Final answer
    x = 174,389,460.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.