Home / 68,280,573.40-102,385,430.70-25,127,564.20

Finding the Fourth Proportional to 68,280,573.40, 102,385,430.70 and 25,127,564.20

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Solution

The fourth proportional to 68,280,573.40, 102,385,430.70 and 25,127,564.20 is: 37,678,308.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,280,573.40 : 102,385,430.70 = 25,127,564.20 : x
  2. Step 2: Convert to fraction form
    68,280,573.40/102,385,430.70 = 25,127,564.20/x
  3. Step 3: Cross multiply
    68,280,573.40x = 102,385,430.70 × 25,127,564.20
  4. Step 4: Simplify right side
    68,280,573.40x = 2,572,696,483,058,901
  5. Step 5: Solve for x
    x = 2,572,696,483,058,901/68,280,573.40
  6. Step 6: Final answer
    x = 37,678,308.12

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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.