Home / 117,050,920.68-161,528,109.35-64,838,810.73

Finding the Fourth Proportional to 117,050,920.68, 161,528,109.35 and 64,838,810.73

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Solution

The fourth proportional to 117,050,920.68, 161,528,109.35 and 64,838,810.73 is: 89,476,361.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,050,920.68 : 161,528,109.35 = 64,838,810.73 : x
  2. Step 2: Convert to fraction form
    117,050,920.68/161,528,109.35 = 64,838,810.73/x
  3. Step 3: Cross multiply
    117,050,920.68x = 161,528,109.35 × 64,838,810.73
  4. Step 4: Simplify right side
    117,050,920.68x = 10,473,290,509,395,198
  5. Step 5: Solve for x
    x = 10,473,290,509,395,198/117,050,920.68
  6. Step 6: Final answer
    x = 89,476,361.64

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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.