Home / 103,839,623.12-143,342,803.01-64,700,737.61

Finding the Fourth Proportional to 103,839,623.12, 143,342,803.01 and 64,700,737.61

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Solution

The fourth proportional to 103,839,623.12, 143,342,803.01 and 64,700,737.61 is: 89,314,510.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,839,623.12 : 143,342,803.01 = 64,700,737.61 : x
  2. Step 2: Convert to fraction form
    103,839,623.12/143,342,803.01 = 64,700,737.61/x
  3. Step 3: Cross multiply
    103,839,623.12x = 143,342,803.01 × 64,700,737.61
  4. Step 4: Simplify right side
    103,839,623.12x = 9,274,385,085,276,964
  5. Step 5: Solve for x
    x = 9,274,385,085,276,964/103,839,623.12
  6. Step 6: Final answer
    x = 89,314,510.26

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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.