Home / 105,989,997.60-158,984,996.40-60,640,365.60

Finding the Fourth Proportional to 105,989,997.60, 158,984,996.40 and 60,640,365.60

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Solution

The fourth proportional to 105,989,997.60, 158,984,996.40 and 60,640,365.60 is: 90,960,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,989,997.60 : 158,984,996.40 = 60,640,365.60 : x
  2. Step 2: Convert to fraction form
    105,989,997.60/158,984,996.40 = 60,640,365.60/x
  3. Step 3: Cross multiply
    105,989,997.60x = 158,984,996.40 × 60,640,365.60
  4. Step 4: Simplify right side
    105,989,997.60x = 9,640,908,306,610,684
  5. Step 5: Solve for x
    x = 9,640,908,306,610,684/105,989,997.60
  6. Step 6: Final answer
    x = 90,960,548.40

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1.5x scale

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.