Home / 189,971,733,530.64-285,005,833,339.80-87,941,884,248.92

Finding the Fourth Proportional to 189,971,733,530.64, 285,005,833,339.80 and 87,941,884,248.92

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Solution

The fourth proportional to 189,971,733,530.64, 285,005,833,339.80 and 87,941,884,248.92 is: 131,935,154,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,971,733,530.64 : 285,005,833,339.80 = 87,941,884,248.92 : x
  2. Step 2: Convert to fraction form
    189,971,733,530.64/285,005,833,339.80 = 87,941,884,248.92/x
  3. Step 3: Cross multiply
    189,971,733,530.64x = 285,005,833,339.80 × 87,941,884,248.92
  4. Step 4: Simplify right side
    189,971,733,530.64x = 25,063,950,005,835,675,992,064
  5. Step 5: Solve for x
    x = 25,063,950,005,835,675,992,064/189,971,733,530.64
  6. Step 6: Final answer
    x = 131,935,154,457.04

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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.