Home / 142,164,010.90-213,246,016.35-116,335,978.30

Finding the Fourth Proportional to 142,164,010.90, 213,246,016.35 and 116,335,978.30

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Solution

The fourth proportional to 142,164,010.90, 213,246,016.35 and 116,335,978.30 is: 174,503,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,164,010.90 : 213,246,016.35 = 116,335,978.30 : x
  2. Step 2: Convert to fraction form
    142,164,010.90/213,246,016.35 = 116,335,978.30/x
  3. Step 3: Cross multiply
    142,164,010.90x = 213,246,016.35 × 116,335,978.30
  4. Step 4: Simplify right side
    142,164,010.90x = 24,808,183,930,655,044
  5. Step 5: Solve for x
    x = 24,808,183,930,655,044/142,164,010.90
  6. Step 6: Final answer
    x = 174,503,967.45

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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.