Home / 141,778,885.30-212,584,347.15-73,754,437.30

Finding the Fourth Proportional to 141,778,885.30, 212,584,347.15 and 73,754,437.30

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Solution

The fourth proportional to 141,778,885.30, 212,584,347.15 and 73,754,437.30 is: 110,587,968.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,778,885.30 : 212,584,347.15 = 73,754,437.30 : x
  2. Step 2: Convert to fraction form
    141,778,885.30/212,584,347.15 = 73,754,437.30/x
  3. Step 3: Cross multiply
    141,778,885.30x = 212,584,347.15 × 73,754,437.30
  4. Step 4: Simplify right side
    141,778,885.30x = 15,679,038,902,836,108
  5. Step 5: Solve for x
    x = 15,679,038,902,836,108/141,778,885.30
  6. Step 6: Final answer
    x = 110,587,968.51

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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.