Home / 101,241,009.82-151,916,799.75-42,939,619.30

Finding the Fourth Proportional to 101,241,009.82, 151,916,799.75 and 42,939,619.30

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Solution

The fourth proportional to 101,241,009.82, 151,916,799.75 and 42,939,619.30 is: 64,432,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,241,009.82 : 151,916,799.75 = 42,939,619.30 : x
  2. Step 2: Convert to fraction form
    101,241,009.82/151,916,799.75 = 42,939,619.30/x
  3. Step 3: Cross multiply
    101,241,009.82x = 151,916,799.75 × 42,939,619.30
  4. Step 4: Simplify right side
    101,241,009.82x = 6,523,249,546,539,335
  5. Step 5: Solve for x
    x = 6,523,249,546,539,335/101,241,009.82
  6. Step 6: Final answer
    x = 64,432,877.13

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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.