Home / 65,640,007.80-98,460,011.70-31,627,783.80

Finding the Fourth Proportional to 65,640,007.80, 98,460,011.70 and 31,627,783.80

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Solution

The fourth proportional to 65,640,007.80, 98,460,011.70 and 31,627,783.80 is: 47,441,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,640,007.80 : 98,460,011.70 = 31,627,783.80 : x
  2. Step 2: Convert to fraction form
    65,640,007.80/98,460,011.70 = 31,627,783.80/x
  3. Step 3: Cross multiply
    65,640,007.80x = 98,460,011.70 × 31,627,783.80
  4. Step 4: Simplify right side
    65,640,007.80x = 3,114,071,962,993,070.50
  5. Step 5: Solve for x
    x = 3,114,071,962,993,070.50/65,640,007.80
  6. Step 6: Final answer
    x = 47,441,675.70

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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.