Home / 193,085,885.16-289,622,417.40-83,911,160.86

Finding the Fourth Proportional to 193,085,885.16, 289,622,417.40 and 83,911,160.86

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Solution

The fourth proportional to 193,085,885.16, 289,622,417.40 and 83,911,160.86 is: 125,863,955.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,085,885.16 : 289,622,417.40 = 83,911,160.86 : x
  2. Step 2: Convert to fraction form
    193,085,885.16/289,622,417.40 = 83,911,160.86/x
  3. Step 3: Cross multiply
    193,085,885.16x = 289,622,417.40 × 83,911,160.86
  4. Step 4: Simplify right side
    193,085,885.16x = 24,302,553,254,389,404
  5. Step 5: Solve for x
    x = 24,302,553,254,389,404/193,085,885.16
  6. Step 6: Final answer
    x = 125,863,955.48

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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.