Home / 142,164,124.40-213,246,186.60-65,636,620.40

Finding the Fourth Proportional to 142,164,124.40, 213,246,186.60 and 65,636,620.40

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Solution

The fourth proportional to 142,164,124.40, 213,246,186.60 and 65,636,620.40 is: 98,454,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,164,124.40 : 213,246,186.60 = 65,636,620.40 : x
  2. Step 2: Convert to fraction form
    142,164,124.40/213,246,186.60 = 65,636,620.40/x
  3. Step 3: Cross multiply
    142,164,124.40x = 213,246,186.60 × 65,636,620.40
  4. Step 4: Simplify right side
    142,164,124.40x = 13,996,759,001,611,766
  5. Step 5: Solve for x
    x = 13,996,759,001,611,766/142,164,124.40
  6. Step 6: Final answer
    x = 98,454,930.60

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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.