Home / 112,903,886.10-169,355,829.15-69,857,165.10

Finding the Fourth Proportional to 112,903,886.10, 169,355,829.15 and 69,857,165.10

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Solution

The fourth proportional to 112,903,886.10, 169,355,829.15 and 69,857,165.10 is: 104,785,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,903,886.10 : 169,355,829.15 = 69,857,165.10 : x
  2. Step 2: Convert to fraction form
    112,903,886.10/169,355,829.15 = 69,857,165.10/x
  3. Step 3: Cross multiply
    112,903,886.10x = 169,355,829.15 × 69,857,165.10
  4. Step 4: Simplify right side
    112,903,886.10x = 11,830,718,117,578,942
  5. Step 5: Solve for x
    x = 11,830,718,117,578,942/112,903,886.10
  6. Step 6: Final answer
    x = 104,785,747.65

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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.