Home / 98,681,193.72-136,181,659.52-54,026,420.76

Finding the Fourth Proportional to 98,681,193.72, 136,181,659.52 and 54,026,420.76

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Solution

The fourth proportional to 98,681,193.72, 136,181,659.52 and 54,026,420.76 is: 74,557,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,681,193.72 : 136,181,659.52 = 54,026,420.76 : x
  2. Step 2: Convert to fraction form
    98,681,193.72/136,181,659.52 = 54,026,420.76/x
  3. Step 3: Cross multiply
    98,681,193.72x = 136,181,659.52 × 54,026,420.76
  4. Step 4: Simplify right side
    98,681,193.72x = 7,357,407,637,022,580
  5. Step 5: Solve for x
    x = 7,357,407,637,022,580/98,681,193.72
  6. Step 6: Final answer
    x = 74,557,343.30

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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.