Home / 212,018,188,242.04-318,003,710,756.74-75,874,818,483.97

Finding the Fourth Proportional to 212,018,188,242.04, 318,003,710,756.74 and 75,874,818,483.97

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Solution

The fourth proportional to 212,018,188,242.04, 318,003,710,756.74 and 75,874,818,483.97 is: 113,803,792,169.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,018,188,242.04 : 318,003,710,756.74 = 75,874,818,483.97 : x
  2. Step 2: Convert to fraction form
    212,018,188,242.04/318,003,710,756.74 = 75,874,818,483.97/x
  3. Step 3: Cross multiply
    212,018,188,242.04x = 318,003,710,756.74 × 75,874,818,483.97
  4. Step 4: Simplify right side
    212,018,188,242.04x = 24,128,473,830,894,952,513,536
  5. Step 5: Solve for x
    x = 24,128,473,830,894,952,513,536/212,018,188,242.04
  6. Step 6: Final answer
    x = 113,803,792,169.71

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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.