Home / 142,164,114.90-213,246,172.35-65,636,610.90

Finding the Fourth Proportional to 142,164,114.90, 213,246,172.35 and 65,636,610.90

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Solution

The fourth proportional to 142,164,114.90, 213,246,172.35 and 65,636,610.90 is: 98,454,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,164,114.90 : 213,246,172.35 = 65,636,610.90 : x
  2. Step 2: Convert to fraction form
    142,164,114.90/213,246,172.35 = 65,636,610.90/x
  3. Step 3: Cross multiply
    142,164,114.90x = 213,246,172.35 × 65,636,610.90
  4. Step 4: Simplify right side
    142,164,114.90x = 13,996,756,040,451,288
  5. Step 5: Solve for x
    x = 13,996,756,040,451,288/142,164,114.90
  6. Step 6: Final answer
    x = 98,454,916.35

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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.