Home / 140,423,936.40-210,225,331.80-100,113,152.40

Finding the Fourth Proportional to 140,423,936.40, 210,225,331.80 and 100,113,152.40

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Solution

The fourth proportional to 140,423,936.40, 210,225,331.80 and 100,113,152.40 is: 149,877,016.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,423,936.40 : 210,225,331.80 = 100,113,152.40 : x
  2. Step 2: Convert to fraction form
    140,423,936.40/210,225,331.80 = 100,113,152.40/x
  3. Step 3: Cross multiply
    140,423,936.40x = 210,225,331.80 × 100,113,152.40
  4. Step 4: Simplify right side
    140,423,936.40x = 21,046,320,680,833,968
  5. Step 5: Solve for x
    x = 21,046,320,680,833,968/140,423,936.40
  6. Step 6: Final answer
    x = 149,877,016.84

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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.