Home / 139,350,666.61-192,316,173.36-76,637,815.71

Finding the Fourth Proportional to 139,350,666.61, 192,316,173.36 and 76,637,815.71

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Solution

The fourth proportional to 139,350,666.61, 192,316,173.36 and 76,637,815.71 is: 105,766,924.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,350,666.61 : 192,316,173.36 = 76,637,815.71 : x
  2. Step 2: Convert to fraction form
    139,350,666.61/192,316,173.36 = 76,637,815.71/x
  3. Step 3: Cross multiply
    139,350,666.61x = 192,316,173.36 × 76,637,815.71
  4. Step 4: Simplify right side
    139,350,666.61x = 14,738,691,451,438,218
  5. Step 5: Solve for x
    x = 14,738,691,451,438,218/139,350,666.61
  6. Step 6: Final answer
    x = 105,766,924.62

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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.