Home / 105,145,644.84-145,843,329.84-102,349,084.20

Finding the Fourth Proportional to 105,145,644.84, 145,843,329.84 and 102,349,084.20

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Solution

The fourth proportional to 105,145,644.84, 145,843,329.84 and 102,349,084.20 is: 141,964,332.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,145,644.84 : 145,843,329.84 = 102,349,084.20 : x
  2. Step 2: Convert to fraction form
    105,145,644.84/145,843,329.84 = 102,349,084.20/x
  3. Step 3: Cross multiply
    105,145,644.84x = 145,843,329.84 × 102,349,084.20
  4. Step 4: Simplify right side
    105,145,644.84x = 14,926,931,245,802,534
  5. Step 5: Solve for x
    x = 14,926,931,245,802,534/105,145,644.84
  6. Step 6: Final answer
    x = 141,964,332.13

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.