Home / 120,369,019.46-166,106,436.14-70,812,584

Finding the Fourth Proportional to 120,369,019.46, 166,106,436.14 and 70,812,584

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Solution

The fourth proportional to 120,369,019.46, 166,106,436.14 and 70,812,584 is: 97,719,712.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,369,019.46 : 166,106,436.14 = 70,812,584 : x
  2. Step 2: Convert to fraction form
    120,369,019.46/166,106,436.14 = 70,812,584/x
  3. Step 3: Cross multiply
    120,369,019.46x = 166,106,436.14 × 70,812,584
  4. Step 4: Simplify right side
    120,369,019.46x = 11,762,425,962,104,384
  5. Step 5: Solve for x
    x = 11,762,425,962,104,384/120,369,019.46
  6. Step 6: Final answer
    x = 97,719,712.39

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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.