Home / 77,098,756.03-106,379,072.11-45,720,860.18

Finding the Fourth Proportional to 77,098,756.03, 106,379,072.11 and 45,720,860.18

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Solution

The fourth proportional to 77,098,756.03, 106,379,072.11 and 45,720,860.18 is: 63,084,580.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,098,756.03 : 106,379,072.11 = 45,720,860.18 : x
  2. Step 2: Convert to fraction form
    77,098,756.03/106,379,072.11 = 45,720,860.18/x
  3. Step 3: Cross multiply
    77,098,756.03x = 106,379,072.11 × 45,720,860.18
  4. Step 4: Simplify right side
    77,098,756.03x = 4,863,742,681,544,703
  5. Step 5: Solve for x
    x = 4,863,742,681,544,703/77,098,756.03
  6. Step 6: Final answer
    x = 63,084,580.51

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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.