Home / 189,971,733,539.16-285,005,833,352.52-87,941,884,257.44

Finding the Fourth Proportional to 189,971,733,539.16, 285,005,833,352.52 and 87,941,884,257.44

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Solution

The fourth proportional to 189,971,733,539.16, 285,005,833,352.52 and 87,941,884,257.44 is: 131,935,154,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,971,733,539.16 : 285,005,833,352.52 = 87,941,884,257.44 : x
  2. Step 2: Convert to fraction form
    189,971,733,539.16/285,005,833,352.52 = 87,941,884,257.44/x
  3. Step 3: Cross multiply
    189,971,733,539.16x = 285,005,833,352.52 × 87,941,884,257.44
  4. Step 4: Simplify right side
    189,971,733,539.16x = 25,063,950,009,382,547,226,624
  5. Step 5: Solve for x
    x = 25,063,950,009,382,547,226,624/189,971,733,539.16
  6. Step 6: Final answer
    x = 131,935,154,469.79

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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.