Home / 101,297,698.05-139,839,026.40-67,864,744.74

Finding the Fourth Proportional to 101,297,698.05, 139,839,026.40 and 67,864,744.74

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Solution

The fourth proportional to 101,297,698.05, 139,839,026.40 and 67,864,744.74 is: 93,685,641.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,297,698.05 : 139,839,026.40 = 67,864,744.74 : x
  2. Step 2: Convert to fraction form
    101,297,698.05/139,839,026.40 = 67,864,744.74/x
  3. Step 3: Cross multiply
    101,297,698.05x = 139,839,026.40 × 67,864,744.74
  4. Step 4: Simplify right side
    101,297,698.05x = 9,490,139,831,326,120
  5. Step 5: Solve for x
    x = 9,490,139,831,326,120/101,297,698.05
  6. Step 6: Final answer
    x = 93,685,641.57

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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.