Home / 65,656,570.90-98,484,856.35-20,232,289.30

Finding the Fourth Proportional to 65,656,570.90, 98,484,856.35 and 20,232,289.30

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Solution

The fourth proportional to 65,656,570.90, 98,484,856.35 and 20,232,289.30 is: 30,348,433.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,656,570.90 : 98,484,856.35 = 20,232,289.30 : x
  2. Step 2: Convert to fraction form
    65,656,570.90/98,484,856.35 = 20,232,289.30/x
  3. Step 3: Cross multiply
    65,656,570.90x = 98,484,856.35 × 20,232,289.30
  4. Step 4: Simplify right side
    65,656,570.90x = 1,992,574,105,342,142
  5. Step 5: Solve for x
    x = 1,992,574,105,342,142/65,656,570.90
  6. Step 6: Final answer
    x = 30,348,433.95

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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.