Home / 127,813,766,814.40-191,720,650,221.60-53,337,199,921.60

Finding the Fourth Proportional to 127,813,766,814.40, 191,720,650,221.60 and 53,337,199,921.60

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Solution

The fourth proportional to 127,813,766,814.40, 191,720,650,221.60 and 53,337,199,921.60 is: 80,005,799,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,813,766,814.40 : 191,720,650,221.60 = 53,337,199,921.60 : x
  2. Step 2: Convert to fraction form
    127,813,766,814.40/191,720,650,221.60 = 53,337,199,921.60/x
  3. Step 3: Cross multiply
    127,813,766,814.40x = 191,720,650,221.60 × 53,337,199,921.60
  4. Step 4: Simplify right side
    127,813,766,814.40x = 10,225,842,649,968,624,533,504
  5. Step 5: Solve for x
    x = 10,225,842,649,968,624,533,504/127,813,766,814.40
  6. Step 6: Final answer
    x = 80,005,799,882.40

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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.