Home / 103,734,121.77-143,153,534.39-56,692,160.01

Finding the Fourth Proportional to 103,734,121.77, 143,153,534.39 and 56,692,160.01

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Solution

The fourth proportional to 103,734,121.77, 143,153,534.39 and 56,692,160.01 is: 78,235,424.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,734,121.77 : 143,153,534.39 = 56,692,160.01 : x
  2. Step 2: Convert to fraction form
    103,734,121.77/143,153,534.39 = 56,692,160.01/x
  3. Step 3: Cross multiply
    103,734,121.77x = 143,153,534.39 × 56,692,160.01
  4. Step 4: Simplify right side
    103,734,121.77x = 8,115,683,077,351,456
  5. Step 5: Solve for x
    x = 8,115,683,077,351,456/103,734,121.77
  6. Step 6: Final answer
    x = 78,235,424.75

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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.