Home / 56,464,037.70-84,696,056.55-42,115,130.70

Finding the Fourth Proportional to 56,464,037.70, 84,696,056.55 and 42,115,130.70

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Solution

The fourth proportional to 56,464,037.70, 84,696,056.55 and 42,115,130.70 is: 63,172,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,464,037.70 : 84,696,056.55 = 42,115,130.70 : x
  2. Step 2: Convert to fraction form
    56,464,037.70/84,696,056.55 = 42,115,130.70/x
  3. Step 3: Cross multiply
    56,464,037.70x = 84,696,056.55 × 42,115,130.70
  4. Step 4: Simplify right side
    56,464,037.70x = 3,566,985,491,377,841
  5. Step 5: Solve for x
    x = 3,566,985,491,377,841/56,464,037.70
  6. Step 6: Final answer
    x = 63,172,696.05

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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.