Home / 153,662,885.11-212,056,426.34-84,046,777.39

Finding the Fourth Proportional to 153,662,885.11, 212,056,426.34 and 84,046,777.39

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Solution

The fourth proportional to 153,662,885.11, 212,056,426.34 and 84,046,777.39 is: 115,985,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,662,885.11 : 212,056,426.34 = 84,046,777.39 : x
  2. Step 2: Convert to fraction form
    153,662,885.11/212,056,426.34 = 84,046,777.39/x
  3. Step 3: Cross multiply
    153,662,885.11x = 212,056,426.34 × 84,046,777.39
  4. Step 4: Simplify right side
    153,662,885.11x = 17,822,659,258,716,912
  5. Step 5: Solve for x
    x = 17,822,659,258,716,912/153,662,885.11
  6. Step 6: Final answer
    x = 115,985,452.48

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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.