Home / 127,813,728,830.40-191,720,593,245.60-53,337,161,937.60

Finding the Fourth Proportional to 127,813,728,830.40, 191,720,593,245.60 and 53,337,161,937.60

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Solution

The fourth proportional to 127,813,728,830.40, 191,720,593,245.60 and 53,337,161,937.60 is: 80,005,742,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,813,728,830.40 : 191,720,593,245.60 = 53,337,161,937.60 : x
  2. Step 2: Convert to fraction form
    127,813,728,830.40/191,720,593,245.60 = 53,337,161,937.60/x
  3. Step 3: Cross multiply
    127,813,728,830.40x = 191,720,593,245.60 × 53,337,161,937.60
  4. Step 4: Simplify right side
    127,813,728,830.40x = 10,225,832,328,713,308,471,296
  5. Step 5: Solve for x
    x = 10,225,832,328,713,308,471,296/127,813,728,830.40
  6. Step 6: Final answer
    x = 80,005,742,906.40

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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.