Home / 65,563,430.40-98,345,145.60-31,551,206.40

Finding the Fourth Proportional to 65,563,430.40, 98,345,145.60 and 31,551,206.40

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Solution

The fourth proportional to 65,563,430.40, 98,345,145.60 and 31,551,206.40 is: 47,326,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,563,430.40 : 98,345,145.60 = 31,551,206.40 : x
  2. Step 2: Convert to fraction form
    65,563,430.40/98,345,145.60 = 31,551,206.40/x
  3. Step 3: Cross multiply
    65,563,430.40x = 98,345,145.60 × 31,551,206.40
  4. Step 4: Simplify right side
    65,563,430.40x = 3,102,907,987,263,651.50
  5. Step 5: Solve for x
    x = 3,102,907,987,263,651.50/65,563,430.40
  6. Step 6: Final answer
    x = 47,326,809.60

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Double scale
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Similar ratio
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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.