Home / 86,768,175.63-130,162,136.37-31,462,060.76

Finding the Fourth Proportional to 86,768,175.63, 130,162,136.37 and 31,462,060.76

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Solution

The fourth proportional to 86,768,175.63, 130,162,136.37 and 31,462,060.76 is: 47,196,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,768,175.63 : 130,162,136.37 = 31,462,060.76 : x
  2. Step 2: Convert to fraction form
    86,768,175.63/130,162,136.37 = 31,462,060.76/x
  3. Step 3: Cross multiply
    86,768,175.63x = 130,162,136.37 × 31,462,060.76
  4. Step 4: Simplify right side
    86,768,175.63x = 4,095,169,043,124,346
  5. Step 5: Solve for x
    x = 4,095,169,043,124,346/86,768,175.63
  6. Step 6: Final answer
    x = 47,196,671.05

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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.