Home / 152,593,080.64-210,583,988.96-87,415,581.76

Finding the Fourth Proportional to 152,593,080.64, 210,583,988.96 and 87,415,581.76

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Solution

The fourth proportional to 152,593,080.64, 210,583,988.96 and 87,415,581.76 is: 120,636,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,593,080.64 : 210,583,988.96 = 87,415,581.76 : x
  2. Step 2: Convert to fraction form
    152,593,080.64/210,583,988.96 = 87,415,581.76/x
  3. Step 3: Cross multiply
    152,593,080.64x = 210,583,988.96 × 87,415,581.76
  4. Step 4: Simplify right side
    152,593,080.64x = 18,408,321,904,279,820
  5. Step 5: Solve for x
    x = 18,408,321,904,279,820/152,593,080.64
  6. Step 6: Final answer
    x = 120,636,675.18

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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.