Home / 99,076,802.40-148,615,203.60-90,148,593.60

Finding the Fourth Proportional to 99,076,802.40, 148,615,203.60 and 90,148,593.60

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Solution

The fourth proportional to 99,076,802.40, 148,615,203.60 and 90,148,593.60 is: 135,222,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,076,802.40 : 148,615,203.60 = 90,148,593.60 : x
  2. Step 2: Convert to fraction form
    99,076,802.40/148,615,203.60 = 90,148,593.60/x
  3. Step 3: Cross multiply
    99,076,802.40x = 148,615,203.60 × 90,148,593.60
  4. Step 4: Simplify right side
    99,076,802.40x = 13,397,451,592,117,656
  5. Step 5: Solve for x
    x = 13,397,451,592,117,656/99,076,802.40
  6. Step 6: Final answer
    x = 135,222,890.40

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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.