Home / 210,330,002.60-315,495,003.90-159,311,666.60

Finding the Fourth Proportional to 210,330,002.60, 315,495,003.90 and 159,311,666.60

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Solution

The fourth proportional to 210,330,002.60, 315,495,003.90 and 159,311,666.60 is: 238,967,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,330,002.60 : 315,495,003.90 = 159,311,666.60 : x
  2. Step 2: Convert to fraction form
    210,330,002.60/315,495,003.90 = 159,311,666.60/x
  3. Step 3: Cross multiply
    210,330,002.60x = 315,495,003.90 × 159,311,666.60
  4. Step 4: Simplify right side
    210,330,002.60x = 50,262,034,875,282,496
  5. Step 5: Solve for x
    x = 50,262,034,875,282,496/210,330,002.60
  6. Step 6: Final answer
    x = 238,967,499.90

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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.