Home / 156,862,876.94-216,466,423.94-85,333,386.92

Finding the Fourth Proportional to 156,862,876.94, 216,466,423.94 and 85,333,386.92

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Solution

The fourth proportional to 156,862,876.94, 216,466,423.94 and 85,333,386.92 is: 117,757,709.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,862,876.94 : 216,466,423.94 = 85,333,386.92 : x
  2. Step 2: Convert to fraction form
    156,862,876.94/216,466,423.94 = 85,333,386.92/x
  3. Step 3: Cross multiply
    156,862,876.94x = 216,466,423.94 × 85,333,386.92
  4. Step 4: Simplify right side
    156,862,876.94x = 18,471,813,109,128,968
  5. Step 5: Solve for x
    x = 18,471,813,109,128,968/156,862,876.94
  6. Step 6: Final answer
    x = 117,757,709.59

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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.