Home / 99,046,802.40-148,570,203.60-76,371,986.40

Finding the Fourth Proportional to 99,046,802.40, 148,570,203.60 and 76,371,986.40

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Solution

The fourth proportional to 99,046,802.40, 148,570,203.60 and 76,371,986.40 is: 114,557,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,046,802.40 : 148,570,203.60 = 76,371,986.40 : x
  2. Step 2: Convert to fraction form
    99,046,802.40/148,570,203.60 = 76,371,986.40/x
  3. Step 3: Cross multiply
    99,046,802.40x = 148,570,203.60 × 76,371,986.40
  4. Step 4: Simplify right side
    99,046,802.40x = 11,346,601,568,784,432
  5. Step 5: Solve for x
    x = 11,346,601,568,784,432/99,046,802.40
  6. Step 6: Final answer
    x = 114,557,979.60

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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.