Home / 127,813,728,636.40-191,720,592,954.60-53,337,161,743.60

Finding the Fourth Proportional to 127,813,728,636.40, 191,720,592,954.60 and 53,337,161,743.60

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Solution

The fourth proportional to 127,813,728,636.40, 191,720,592,954.60 and 53,337,161,743.60 is: 80,005,742,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,813,728,636.40 : 191,720,592,954.60 = 53,337,161,743.60 : x
  2. Step 2: Convert to fraction form
    127,813,728,636.40/191,720,592,954.60 = 53,337,161,743.60/x
  3. Step 3: Cross multiply
    127,813,728,636.40x = 191,720,592,954.60 × 53,337,161,743.60
  4. Step 4: Simplify right side
    127,813,728,636.40x = 10,225,832,275,998,398,218,240
  5. Step 5: Solve for x
    x = 10,225,832,275,998,398,218,240/127,813,728,636.40
  6. Step 6: Final answer
    x = 80,005,742,615.40

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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.