Home / 138,158,980.56-207,224,269.20-46,032,768.28

Finding the Fourth Proportional to 138,158,980.56, 207,224,269.20 and 46,032,768.28

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Solution

The fourth proportional to 138,158,980.56, 207,224,269.20 and 46,032,768.28 is: 69,044,420.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,158,980.56 : 207,224,269.20 = 46,032,768.28 : x
  2. Step 2: Convert to fraction form
    138,158,980.56/207,224,269.20 = 46,032,768.28/x
  3. Step 3: Cross multiply
    138,158,980.56x = 207,224,269.20 × 46,032,768.28
  4. Step 4: Simplify right side
    138,158,980.56x = 9,539,106,766,075,940
  5. Step 5: Solve for x
    x = 9,539,106,766,075,940/138,158,980.56
  6. Step 6: Final answer
    x = 69,044,420.62

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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.