Home / 225,083,573.79-310,608,660.64-124,616,488.67

Finding the Fourth Proportional to 225,083,573.79, 310,608,660.64 and 124,616,488.67

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Solution

The fourth proportional to 225,083,573.79, 310,608,660.64 and 124,616,488.67 is: 171,967,060.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,083,573.79 : 310,608,660.64 = 124,616,488.67 : x
  2. Step 2: Convert to fraction form
    225,083,573.79/310,608,660.64 = 124,616,488.67/x
  3. Step 3: Cross multiply
    225,083,573.79x = 310,608,660.64 × 124,616,488.67
  4. Step 4: Simplify right side
    225,083,573.79x = 38,706,960,639,448,432
  5. Step 5: Solve for x
    x = 38,706,960,639,448,432/225,083,573.79
  6. Step 6: Final answer
    x = 171,967,060.89

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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.