Home / 137,240,607.27-189,395,328.83-74,519,348.82

Finding the Fourth Proportional to 137,240,607.27, 189,395,328.83 and 74,519,348.82

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Solution

The fourth proportional to 137,240,607.27, 189,395,328.83 and 74,519,348.82 is: 102,838,488.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,240,607.27 : 189,395,328.83 = 74,519,348.82 : x
  2. Step 2: Convert to fraction form
    137,240,607.27/189,395,328.83 = 74,519,348.82/x
  3. Step 3: Cross multiply
    137,240,607.27x = 189,395,328.83 × 74,519,348.82
  4. Step 4: Simplify right side
    137,240,607.27x = 14,113,616,573,961,372
  5. Step 5: Solve for x
    x = 14,113,616,573,961,372/137,240,607.27
  6. Step 6: Final answer
    x = 102,838,488.22

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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.