Home / 86,078,346,525.45-118,831,124,029.50-53,536,049,469.83

Finding the Fourth Proportional to 86,078,346,525.45, 118,831,124,029.50 and 53,536,049,469.83

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Solution

The fourth proportional to 86,078,346,525.45, 118,831,124,029.50 and 53,536,049,469.83 is: 73,906,495,551.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,078,346,525.45 : 118,831,124,029.50 = 53,536,049,469.83 : x
  2. Step 2: Convert to fraction form
    86,078,346,525.45/118,831,124,029.50 = 53,536,049,469.83/x
  3. Step 3: Cross multiply
    86,078,346,525.45x = 118,831,124,029.50 × 53,536,049,469.83
  4. Step 4: Simplify right side
    86,078,346,525.45x = 6,361,748,934,598,816,956,416
  5. Step 5: Solve for x
    x = 6,361,748,934,598,816,956,416/86,078,346,525.45
  6. Step 6: Final answer
    x = 73,906,495,551.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.