Home / 219,746,042.10-329,671,551.15-66,393,602.10

Finding the Fourth Proportional to 219,746,042.10, 329,671,551.15 and 66,393,602.10

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Solution

The fourth proportional to 219,746,042.10, 329,671,551.15 and 66,393,602.10 is: 99,606,261.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,746,042.10 : 329,671,551.15 = 66,393,602.10 : x
  2. Step 2: Convert to fraction form
    219,746,042.10/329,671,551.15 = 66,393,602.10/x
  3. Step 3: Cross multiply
    219,746,042.10x = 329,671,551.15 × 66,393,602.10
  4. Step 4: Simplify right side
    219,746,042.10x = 21,888,081,790,742,896
  5. Step 5: Solve for x
    x = 21,888,081,790,742,896/219,746,042.10
  6. Step 6: Final answer
    x = 99,606,261.76

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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.