Home / 112,330,019.60-168,495,029.40-91,922,685.20

Finding the Fourth Proportional to 112,330,019.60, 168,495,029.40 and 91,922,685.20

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Solution

The fourth proportional to 112,330,019.60, 168,495,029.40 and 91,922,685.20 is: 137,884,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,330,019.60 : 168,495,029.40 = 91,922,685.20 : x
  2. Step 2: Convert to fraction form
    112,330,019.60/168,495,029.40 = 91,922,685.20/x
  3. Step 3: Cross multiply
    112,330,019.60x = 168,495,029.40 × 91,922,685.20
  4. Step 4: Simplify right side
    112,330,019.60x = 15,488,515,545,300,946
  5. Step 5: Solve for x
    x = 15,488,515,545,300,946/112,330,019.60
  6. Step 6: Final answer
    x = 137,884,027.80

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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.