Home / 173,789,570-260,717,924.28-66,075,818.96

Finding the Fourth Proportional to 173,789,570, 260,717,924.28 and 66,075,818.96

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Solution

The fourth proportional to 173,789,570, 260,717,924.28 and 66,075,818.96 is: 99,126,491.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,789,570 : 260,717,924.28 = 66,075,818.96 : x
  2. Step 2: Convert to fraction form
    173,789,570/260,717,924.28 = 66,075,818.96/x
  3. Step 3: Cross multiply
    173,789,570x = 260,717,924.28 × 66,075,818.96
  4. Step 4: Simplify right side
    173,789,570x = 17,227,150,364,352,268
  5. Step 5: Solve for x
    x = 17,227,150,364,352,268/173,789,570
  6. Step 6: Final answer
    x = 99,126,491.68

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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.