Home / 117,355,516.74-161,967,454.47-70,314,447.96

Finding the Fourth Proportional to 117,355,516.74, 161,967,454.47 and 70,314,447.96

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Solution

The fourth proportional to 117,355,516.74, 161,967,454.47 and 70,314,447.96 is: 97,044,028.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,355,516.74 : 161,967,454.47 = 70,314,447.96 : x
  2. Step 2: Convert to fraction form
    117,355,516.74/161,967,454.47 = 70,314,447.96/x
  3. Step 3: Cross multiply
    117,355,516.74x = 161,967,454.47 × 70,314,447.96
  4. Step 4: Simplify right side
    117,355,516.74x = 11,388,652,148,544,484
  5. Step 5: Solve for x
    x = 11,388,652,148,544,484/117,355,516.74
  6. Step 6: Final answer
    x = 97,044,028.82

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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.