Home / 65,708,830.80-98,563,246.20-55,631,134.80

Finding the Fourth Proportional to 65,708,830.80, 98,563,246.20 and 55,631,134.80

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Solution

The fourth proportional to 65,708,830.80, 98,563,246.20 and 55,631,134.80 is: 83,446,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,708,830.80 : 98,563,246.20 = 55,631,134.80 : x
  2. Step 2: Convert to fraction form
    65,708,830.80/98,563,246.20 = 55,631,134.80/x
  3. Step 3: Cross multiply
    65,708,830.80x = 98,563,246.20 × 55,631,134.80
  4. Step 4: Simplify right side
    65,708,830.80x = 5,483,185,235,677,788
  5. Step 5: Solve for x
    x = 5,483,185,235,677,788/65,708,830.80
  6. Step 6: Final answer
    x = 83,446,702.20

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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.