Home / 142,843,328.88-214,292,572.20-60,961,012.08

Finding the Fourth Proportional to 142,843,328.88, 214,292,572.20 and 60,961,012.08

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Solution

The fourth proportional to 142,843,328.88, 214,292,572.20 and 60,961,012.08 is: 91,453,287.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,843,328.88 : 214,292,572.20 = 60,961,012.08 : x
  2. Step 2: Convert to fraction form
    142,843,328.88/214,292,572.20 = 60,961,012.08/x
  3. Step 3: Cross multiply
    142,843,328.88x = 214,292,572.20 × 60,961,012.08
  4. Step 4: Simplify right side
    142,843,328.88x = 13,063,492,082,538,472
  5. Step 5: Solve for x
    x = 13,063,492,082,538,472/142,843,328.88
  6. Step 6: Final answer
    x = 91,453,287.91

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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.