Home / 173,843,138.90-260,764,708.35-145,783,054.10

Finding the Fourth Proportional to 173,843,138.90, 260,764,708.35 and 145,783,054.10

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Solution

The fourth proportional to 173,843,138.90, 260,764,708.35 and 145,783,054.10 is: 218,674,581.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,843,138.90 : 260,764,708.35 = 145,783,054.10 : x
  2. Step 2: Convert to fraction form
    173,843,138.90/260,764,708.35 = 145,783,054.10/x
  3. Step 3: Cross multiply
    173,843,138.90x = 260,764,708.35 × 145,783,054.10
  4. Step 4: Simplify right side
    173,843,138.90x = 38,015,075,584,758,768
  5. Step 5: Solve for x
    x = 38,015,075,584,758,768/173,843,138.90
  6. Step 6: Final answer
    x = 218,674,581.15

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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.