Home / 65,778,817.28-98,634,228.48-28,875,603.20

Finding the Fourth Proportional to 65,778,817.28, 98,634,228.48 and 28,875,603.20

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Solution

The fourth proportional to 65,778,817.28, 98,634,228.48 and 28,875,603.20 is: 43,298,480.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,778,817.28 : 98,634,228.48 = 28,875,603.20 : x
  2. Step 2: Convert to fraction form
    65,778,817.28/98,634,228.48 = 28,875,603.20/x
  3. Step 3: Cross multiply
    65,778,817.28x = 98,634,228.48 × 28,875,603.20
  4. Step 4: Simplify right side
    65,778,817.28x = 2,848,122,843,526,619
  5. Step 5: Solve for x
    x = 2,848,122,843,526,619/65,778,817.28
  6. Step 6: Final answer
    x = 43,298,480.59

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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.