Home / 68,256,005.60-102,384,008.40-42,746,837.60

Finding the Fourth Proportional to 68,256,005.60, 102,384,008.40 and 42,746,837.60

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Solution

The fourth proportional to 68,256,005.60, 102,384,008.40 and 42,746,837.60 is: 64,120,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,256,005.60 : 102,384,008.40 = 42,746,837.60 : x
  2. Step 2: Convert to fraction form
    68,256,005.60/102,384,008.40 = 42,746,837.60/x
  3. Step 3: Cross multiply
    68,256,005.60x = 102,384,008.40 × 42,746,837.60
  4. Step 4: Simplify right side
    68,256,005.60x = 4,376,592,579,911,836
  5. Step 5: Solve for x
    x = 4,376,592,579,911,836/68,256,005.60
  6. Step 6: Final answer
    x = 64,120,256.40

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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.