Home / 139,617,075.60-192,665,346.53-80,035,657.92

Finding the Fourth Proportional to 139,617,075.60, 192,665,346.53 and 80,035,657.92

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Solution

The fourth proportional to 139,617,075.60, 192,665,346.53 and 80,035,657.92 is: 110,445,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,617,075.60 : 192,665,346.53 = 80,035,657.92 : x
  2. Step 2: Convert to fraction form
    139,617,075.60/192,665,346.53 = 80,035,657.92/x
  3. Step 3: Cross multiply
    139,617,075.60x = 192,665,346.53 × 80,035,657.92
  4. Step 4: Simplify right side
    139,617,075.60x = 15,420,097,767,513,162
  5. Step 5: Solve for x
    x = 15,420,097,767,513,162/139,617,075.60
  6. Step 6: Final answer
    x = 110,445,643.57

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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.