Home / 86,078,346,519.15-118,831,124,020.84-53,536,049,463.52

Finding the Fourth Proportional to 86,078,346,519.15, 118,831,124,020.84 and 53,536,049,463.52

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Solution

The fourth proportional to 86,078,346,519.15, 118,831,124,020.84 and 53,536,049,463.52 is: 73,906,495,543.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,078,346,519.15 : 118,831,124,020.84 = 53,536,049,463.52 : x
  2. Step 2: Convert to fraction form
    86,078,346,519.15/118,831,124,020.84 = 53,536,049,463.52/x
  3. Step 3: Cross multiply
    86,078,346,519.15x = 118,831,124,020.84 × 53,536,049,463.52
  4. Step 4: Simplify right side
    86,078,346,519.15x = 6,361,748,933,384,775,663,616
  5. Step 5: Solve for x
    x = 6,361,748,933,384,775,663,616/86,078,346,519.15
  6. Step 6: Final answer
    x = 73,906,495,543.22

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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.