Home / 313,636,541.98-470,508,410.31-129,303,252.15

Finding the Fourth Proportional to 313,636,541.98, 470,508,410.31 and 129,303,252.15

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Solution

The fourth proportional to 313,636,541.98, 470,508,410.31 and 129,303,252.15 is: 193,976,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,636,541.98 : 470,508,410.31 = 129,303,252.15 : x
  2. Step 2: Convert to fraction form
    313,636,541.98/470,508,410.31 = 129,303,252.15/x
  3. Step 3: Cross multiply
    313,636,541.98x = 470,508,410.31 × 129,303,252.15
  4. Step 4: Simplify right side
    313,636,541.98x = 60,838,267,617,009,592
  5. Step 5: Solve for x
    x = 60,838,267,617,009,592/313,636,541.98
  6. Step 6: Final answer
    x = 193,976,974.86

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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.