Home / 115,685,436.11-159,646,204.98-62,762,141.01

Finding the Fourth Proportional to 115,685,436.11, 159,646,204.98 and 62,762,141.01

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Solution

The fourth proportional to 115,685,436.11, 159,646,204.98 and 62,762,141.01 is: 86,611,919.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,685,436.11 : 159,646,204.98 = 62,762,141.01 : x
  2. Step 2: Convert to fraction form
    115,685,436.11/159,646,204.98 = 62,762,141.01/x
  3. Step 3: Cross multiply
    115,685,436.11x = 159,646,204.98 × 62,762,141.01
  4. Step 4: Simplify right side
    115,685,436.11x = 10,019,737,628,666,124
  5. Step 5: Solve for x
    x = 10,019,737,628,666,124/115,685,436.11
  6. Step 6: Final answer
    x = 86,611,919.06

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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.