Home / 127,813,728,622.40-191,720,592,933.60-53,337,161,729.60

Finding the Fourth Proportional to 127,813,728,622.40, 191,720,592,933.60 and 53,337,161,729.60

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Solution

The fourth proportional to 127,813,728,622.40, 191,720,592,933.60 and 53,337,161,729.60 is: 80,005,742,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,813,728,622.40 : 191,720,592,933.60 = 53,337,161,729.60 : x
  2. Step 2: Convert to fraction form
    127,813,728,622.40/191,720,592,933.60 = 53,337,161,729.60/x
  3. Step 3: Cross multiply
    127,813,728,622.40x = 191,720,592,933.60 × 53,337,161,729.60
  4. Step 4: Simplify right side
    127,813,728,622.40x = 10,225,832,272,194,229,501,952
  5. Step 5: Solve for x
    x = 10,225,832,272,194,229,501,952/127,813,728,622.40
  6. Step 6: Final answer
    x = 80,005,742,594.40

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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.