Home / 124,479,642.62-171,796,970.14-70,847,343.63

Finding the Fourth Proportional to 124,479,642.62, 171,796,970.14 and 70,847,343.63

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Solution

The fourth proportional to 124,479,642.62, 171,796,970.14 and 70,847,343.63 is: 97,777,907.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,479,642.62 : 171,796,970.14 = 70,847,343.63 : x
  2. Step 2: Convert to fraction form
    124,479,642.62/171,796,970.14 = 70,847,343.63/x
  3. Step 3: Cross multiply
    124,479,642.62x = 171,796,970.14 × 70,847,343.63
  4. Step 4: Simplify right side
    124,479,642.62x = 12,171,358,978,101,428
  5. Step 5: Solve for x
    x = 12,171,358,978,101,428/124,479,642.62
  6. Step 6: Final answer
    x = 97,777,907.47

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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.