Home / 103,020,005.80-154,530,008.70-26,349,034.60

Finding the Fourth Proportional to 103,020,005.80, 154,530,008.70 and 26,349,034.60

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Solution

The fourth proportional to 103,020,005.80, 154,530,008.70 and 26,349,034.60 is: 39,523,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,020,005.80 : 154,530,008.70 = 26,349,034.60 : x
  2. Step 2: Convert to fraction form
    103,020,005.80/154,530,008.70 = 26,349,034.60/x
  3. Step 3: Cross multiply
    103,020,005.80x = 154,530,008.70 × 26,349,034.60
  4. Step 4: Simplify right side
    103,020,005.80x = 4,071,716,545,974,601
  5. Step 5: Solve for x
    x = 4,071,716,545,974,601/103,020,005.80
  6. Step 6: Final answer
    x = 39,523,551.90

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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.