Home / 96,808,001.40-145,212,002.10-74,889,012.60

Finding the Fourth Proportional to 96,808,001.40, 145,212,002.10 and 74,889,012.60

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Solution

The fourth proportional to 96,808,001.40, 145,212,002.10 and 74,889,012.60 is: 112,333,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,808,001.40 : 145,212,002.10 = 74,889,012.60 : x
  2. Step 2: Convert to fraction form
    96,808,001.40/145,212,002.10 = 74,889,012.60/x
  3. Step 3: Cross multiply
    96,808,001.40x = 145,212,002.10 × 74,889,012.60
  4. Step 4: Simplify right side
    96,808,001.40x = 10,874,783,454,938,126
  5. Step 5: Solve for x
    x = 10,874,783,454,938,126/96,808,001.40
  6. Step 6: Final answer
    x = 112,333,518.90

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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.