Home / 145,220,598.60-217,830,897.90-127,647,616.20

Finding the Fourth Proportional to 145,220,598.60, 217,830,897.90 and 127,647,616.20

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Solution

The fourth proportional to 145,220,598.60, 217,830,897.90 and 127,647,616.20 is: 191,471,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,220,598.60 : 217,830,897.90 = 127,647,616.20 : x
  2. Step 2: Convert to fraction form
    145,220,598.60/217,830,897.90 = 127,647,616.20/x
  3. Step 3: Cross multiply
    145,220,598.60x = 217,830,897.90 × 127,647,616.20
  4. Step 4: Simplify right side
    145,220,598.60x = 27,805,594,851,640,588
  5. Step 5: Solve for x
    x = 27,805,594,851,640,588/145,220,598.60
  6. Step 6: Final answer
    x = 191,471,424.30

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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.