Home / 117,416,019.60-176,124,029.40-31,154,259.60

Finding the Fourth Proportional to 117,416,019.60, 176,124,029.40 and 31,154,259.60

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Solution

The fourth proportional to 117,416,019.60, 176,124,029.40 and 31,154,259.60 is: 46,731,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,416,019.60 : 176,124,029.40 = 31,154,259.60 : x
  2. Step 2: Convert to fraction form
    117,416,019.60/176,124,029.40 = 31,154,259.60/x
  3. Step 3: Cross multiply
    117,416,019.60x = 176,124,029.40 × 31,154,259.60
  4. Step 4: Simplify right side
    117,416,019.60x = 5,487,013,733,725,633
  5. Step 5: Solve for x
    x = 5,487,013,733,725,633/117,416,019.60
  6. Step 6: Final answer
    x = 46,731,389.40

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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.