Home / 122,457,992.40-183,960,703.80-102,302,600.40

Finding the Fourth Proportional to 122,457,992.40, 183,960,703.80 and 102,302,600.40

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Solution

The fourth proportional to 122,457,992.40, 183,960,703.80 and 102,302,600.40 is: 153,682,564.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,457,992.40 : 183,960,703.80 = 102,302,600.40 : x
  2. Step 2: Convert to fraction form
    122,457,992.40/183,960,703.80 = 102,302,600.40/x
  3. Step 3: Cross multiply
    122,457,992.40x = 183,960,703.80 × 102,302,600.40
  4. Step 4: Simplify right side
    122,457,992.40x = 18,819,658,370,154,164
  5. Step 5: Solve for x
    x = 18,819,658,370,154,164/122,457,992.40
  6. Step 6: Final answer
    x = 153,682,564.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.