Home / 127,598,982.40-191,398,473.60-120,880,518.40

Finding the Fourth Proportional to 127,598,982.40, 191,398,473.60 and 120,880,518.40

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Solution

The fourth proportional to 127,598,982.40, 191,398,473.60 and 120,880,518.40 is: 181,320,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,598,982.40 : 191,398,473.60 = 120,880,518.40 : x
  2. Step 2: Convert to fraction form
    127,598,982.40/191,398,473.60 = 120,880,518.40/x
  3. Step 3: Cross multiply
    127,598,982.40x = 191,398,473.60 × 120,880,518.40
  4. Step 4: Simplify right side
    127,598,982.40x = 23,136,346,709,736,716
  5. Step 5: Solve for x
    x = 23,136,346,709,736,716/127,598,982.40
  6. Step 6: Final answer
    x = 181,320,777.60

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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.