Home / 128,652,849.40-180,591,746.60-128,652,849.40

Finding the Fourth Proportional to 128,652,849.40, 180,591,746.60 and 128,652,849.40

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Solution

The fourth proportional to 128,652,849.40, 180,591,746.60 and 128,652,849.40 is: 180,591,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,652,849.40 : 180,591,746.60 = 128,652,849.40 : x
  2. Step 2: Convert to fraction form
    128,652,849.40/180,591,746.60 = 128,652,849.40/x
  3. Step 3: Cross multiply
    128,652,849.40x = 180,591,746.60 × 128,652,849.40
  4. Step 4: Simplify right side
    128,652,849.40x = 23,233,642,778,212,764
  5. Step 5: Solve for x
    x = 23,233,642,778,212,764/128,652,849.40
  6. Step 6: Final answer
    x = 180,591,746.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.