Home / 189,971,733,535.16-285,005,833,346.52-87,941,884,253.44

Finding the Fourth Proportional to 189,971,733,535.16, 285,005,833,346.52 and 87,941,884,253.44

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Solution

The fourth proportional to 189,971,733,535.16, 285,005,833,346.52 and 87,941,884,253.44 is: 131,935,154,463.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,971,733,535.16 : 285,005,833,346.52 = 87,941,884,253.44 : x
  2. Step 2: Convert to fraction form
    189,971,733,535.16/285,005,833,346.52 = 87,941,884,253.44/x
  3. Step 3: Cross multiply
    189,971,733,535.16x = 285,005,833,346.52 × 87,941,884,253.44
  4. Step 4: Simplify right side
    189,971,733,535.16x = 25,063,950,007,714,875,179,008
  5. Step 5: Solve for x
    x = 25,063,950,007,714,875,179,008/189,971,733,535.16
  6. Step 6: Final answer
    x = 131,935,154,463.79

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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.