Home / 122,553,005.40-183,829,508.10-113,199,643.80

Finding the Fourth Proportional to 122,553,005.40, 183,829,508.10 and 113,199,643.80

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Solution

The fourth proportional to 122,553,005.40, 183,829,508.10 and 113,199,643.80 is: 169,799,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,553,005.40 : 183,829,508.10 = 113,199,643.80 : x
  2. Step 2: Convert to fraction form
    122,553,005.40/183,829,508.10 = 113,199,643.80/x
  3. Step 3: Cross multiply
    122,553,005.40x = 183,829,508.10 × 113,199,643.80
  4. Step 4: Simplify right side
    122,553,005.40x = 20,809,434,836,849,212
  5. Step 5: Solve for x
    x = 20,809,434,836,849,212/122,553,005.40
  6. Step 6: Final answer
    x = 169,799,465.70

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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.