Home / 112,106,931.40-168,079,691.56-68,886,838.36

Finding the Fourth Proportional to 112,106,931.40, 168,079,691.56 and 68,886,838.36

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Solution

The fourth proportional to 112,106,931.40, 168,079,691.56 and 68,886,838.36 is: 103,280,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,106,931.40 : 168,079,691.56 = 68,886,838.36 : x
  2. Step 2: Convert to fraction form
    112,106,931.40/168,079,691.56 = 68,886,838.36/x
  3. Step 3: Cross multiply
    112,106,931.40x = 168,079,691.56 × 68,886,838.36
  4. Step 4: Simplify right side
    112,106,931.40x = 11,578,478,544,092,376
  5. Step 5: Solve for x
    x = 11,578,478,544,092,376/112,106,931.40
  6. Step 6: Final answer
    x = 103,280,666.05

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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.