Home / 81,493,776.60-122,246,569.80-49,075,875.60

Finding the Fourth Proportional to 81,493,776.60, 122,246,569.80 and 49,075,875.60

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Solution

The fourth proportional to 81,493,776.60, 122,246,569.80 and 49,075,875.60 is: 73,617,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,493,776.60 : 122,246,569.80 = 49,075,875.60 : x
  2. Step 2: Convert to fraction form
    81,493,776.60/122,246,569.80 = 49,075,875.60/x
  3. Step 3: Cross multiply
    81,493,776.60x = 122,246,569.80 × 49,075,875.60
  4. Step 4: Simplify right side
    81,493,776.60x = 5,999,357,452,031,517
  5. Step 5: Solve for x
    x = 5,999,357,452,031,517/81,493,776.60
  6. Step 6: Final answer
    x = 73,617,369.35

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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.