Home / 189,971,733,510-285,005,833,309.08-87,941,884,228.38

Finding the Fourth Proportional to 189,971,733,510, 285,005,833,309.08 and 87,941,884,228.38

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Solution

The fourth proportional to 189,971,733,510, 285,005,833,309.08 and 87,941,884,228.38 is: 131,935,154,426.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,971,733,510 : 285,005,833,309.08 = 87,941,884,228.38 : x
  2. Step 2: Convert to fraction form
    189,971,733,510/285,005,833,309.08 = 87,941,884,228.38/x
  3. Step 3: Cross multiply
    189,971,733,510x = 285,005,833,309.08 × 87,941,884,228.38
  4. Step 4: Simplify right side
    189,971,733,510x = 25,063,949,997,280,084,361,216
  5. Step 5: Solve for x
    x = 25,063,949,997,280,084,361,216/189,971,733,510
  6. Step 6: Final answer
    x = 131,935,154,426.33

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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.