Home / 134,735,126.40-185,934,341.76-72,855,316.80

Finding the Fourth Proportional to 134,735,126.40, 185,934,341.76 and 72,855,316.80

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Solution

The fourth proportional to 134,735,126.40, 185,934,341.76 and 72,855,316.80 is: 100,540,265.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,735,126.40 : 185,934,341.76 = 72,855,316.80 : x
  2. Step 2: Convert to fraction form
    134,735,126.40/185,934,341.76 = 72,855,316.80/x
  3. Step 3: Cross multiply
    134,735,126.40x = 185,934,341.76 × 72,855,316.80
  4. Step 4: Simplify right side
    134,735,126.40x = 13,546,305,372,924,268
  5. Step 5: Solve for x
    x = 13,546,305,372,924,268/134,735,126.40
  6. Step 6: Final answer
    x = 100,540,265.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.