Home / 58,640,310.80-88,128,427.80-51,250,000.40

Finding the Fourth Proportional to 58,640,310.80, 88,128,427.80 and 51,250,000.40

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Solution

The fourth proportional to 58,640,310.80, 88,128,427.80 and 51,250,000.40 is: 77,021,794.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,640,310.80 : 88,128,427.80 = 51,250,000.40 : x
  2. Step 2: Convert to fraction form
    58,640,310.80/88,128,427.80 = 51,250,000.40/x
  3. Step 3: Cross multiply
    58,640,310.80x = 88,128,427.80 × 51,250,000.40
  4. Step 4: Simplify right side
    58,640,310.80x = 4,516,581,960,001,371
  5. Step 5: Solve for x
    x = 4,516,581,960,001,371/58,640,310.80
  6. Step 6: Final answer
    x = 77,021,794.37

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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.