Home / 219,343,511.84-302,726,534.08-138,882,982.24

Finding the Fourth Proportional to 219,343,511.84, 302,726,534.08 and 138,882,982.24

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Solution

The fourth proportional to 219,343,511.84, 302,726,534.08 and 138,882,982.24 is: 191,679,085.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,343,511.84 : 302,726,534.08 = 138,882,982.24 : x
  2. Step 2: Convert to fraction form
    219,343,511.84/302,726,534.08 = 138,882,982.24/x
  3. Step 3: Cross multiply
    219,343,511.84x = 302,726,534.08 × 138,882,982.24
  4. Step 4: Simplify right side
    219,343,511.84x = 42,043,563,856,209,392
  5. Step 5: Solve for x
    x = 42,043,563,856,209,392/219,343,511.84
  6. Step 6: Final answer
    x = 191,679,085.94

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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.