Home / 99,636,519.29-137,481,368.23-57,810,996.20

Finding the Fourth Proportional to 99,636,519.29, 137,481,368.23 and 57,810,996.20

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Solution

The fourth proportional to 99,636,519.29, 137,481,368.23 and 57,810,996.20 is: 79,769,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,636,519.29 : 137,481,368.23 = 57,810,996.20 : x
  2. Step 2: Convert to fraction form
    99,636,519.29/137,481,368.23 = 57,810,996.20/x
  3. Step 3: Cross multiply
    99,636,519.29x = 137,481,368.23 × 57,810,996.20
  4. Step 4: Simplify right side
    99,636,519.29x = 7,947,934,855,688,599
  5. Step 5: Solve for x
    x = 7,947,934,855,688,599/99,636,519.29
  6. Step 6: Final answer
    x = 79,769,294.55

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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.