Home / 90,535,556.32-124,931,944.42-51,377,332.93

Finding the Fourth Proportional to 90,535,556.32, 124,931,944.42 and 51,377,332.93

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Solution

The fourth proportional to 90,535,556.32, 124,931,944.42 and 51,377,332.93 is: 70,896,677.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,535,556.32 : 124,931,944.42 = 51,377,332.93 : x
  2. Step 2: Convert to fraction form
    90,535,556.32/124,931,944.42 = 51,377,332.93/x
  3. Step 3: Cross multiply
    90,535,556.32x = 124,931,944.42 × 51,377,332.93
  4. Step 4: Simplify right side
    90,535,556.32x = 6,418,670,101,617,823
  5. Step 5: Solve for x
    x = 6,418,670,101,617,823/90,535,556.32
  6. Step 6: Final answer
    x = 70,896,677.09

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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.