Home / 152,593,084.64-210,583,994.48-87,415,585.76

Finding the Fourth Proportional to 152,593,084.64, 210,583,994.48 and 87,415,585.76

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Solution

The fourth proportional to 152,593,084.64, 210,583,994.48 and 87,415,585.76 is: 120,636,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,593,084.64 : 210,583,994.48 = 87,415,585.76 : x
  2. Step 2: Convert to fraction form
    152,593,084.64/210,583,994.48 = 87,415,585.76/x
  3. Step 3: Cross multiply
    152,593,084.64x = 210,583,994.48 × 87,415,585.76
  4. Step 4: Simplify right side
    152,593,084.64x = 18,408,323,229,149,808
  5. Step 5: Solve for x
    x = 18,408,323,229,149,808/152,593,084.64
  6. Step 6: Final answer
    x = 120,636,680.70

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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.