Home / 109,837,683.72-151,565,985-65,175,959.59

Finding the Fourth Proportional to 109,837,683.72, 151,565,985 and 65,175,959.59

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Solution

The fourth proportional to 109,837,683.72, 151,565,985 and 65,175,959.59 is: 89,936,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,837,683.72 : 151,565,985 = 65,175,959.59 : x
  2. Step 2: Convert to fraction form
    109,837,683.72/151,565,985 = 65,175,959.59/x
  3. Step 3: Cross multiply
    109,837,683.72x = 151,565,985 × 65,175,959.59
  4. Step 4: Simplify right side
    109,837,683.72x = 9,878,458,513,578,546
  5. Step 5: Solve for x
    x = 9,878,458,513,578,546/109,837,683.72
  6. Step 6: Final answer
    x = 89,936,879.39

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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.