Home / 98,765,328.14-135,985,196.89-83,851,152.92

Finding the Fourth Proportional to 98,765,328.14, 135,985,196.89 and 83,851,152.92

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Solution

The fourth proportional to 98,765,328.14, 135,985,196.89 and 83,851,152.92 is: 115,450,591.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,765,328.14 : 135,985,196.89 = 83,851,152.92 : x
  2. Step 2: Convert to fraction form
    98,765,328.14/135,985,196.89 = 83,851,152.92/x
  3. Step 3: Cross multiply
    98,765,328.14x = 135,985,196.89 × 83,851,152.92
  4. Step 4: Simplify right side
    98,765,328.14x = 11,402,515,539,213,692
  5. Step 5: Solve for x
    x = 11,402,515,539,213,692/98,765,328.14
  6. Step 6: Final answer
    x = 115,450,591.36

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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.