Home / 140,205,421.70-210,120,140.93-109,118,614.32

Finding the Fourth Proportional to 140,205,421.70, 210,120,140.93 and 109,118,614.32

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Solution

The fourth proportional to 140,205,421.70, 210,120,140.93 and 109,118,614.32 is: 163,531,611.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,205,421.70 : 210,120,140.93 = 109,118,614.32 : x
  2. Step 2: Convert to fraction form
    140,205,421.70/210,120,140.93 = 109,118,614.32/x
  3. Step 3: Cross multiply
    140,205,421.70x = 210,120,140.93 × 109,118,614.32
  4. Step 4: Simplify right side
    140,205,421.70x = 22,928,018,618,459,124
  5. Step 5: Solve for x
    x = 22,928,018,618,459,124/140,205,421.70
  6. Step 6: Final answer
    x = 163,531,611.98

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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.