Home / 215,779,939.20-323,669,908.80-62,430,998.40

Finding the Fourth Proportional to 215,779,939.20, 323,669,908.80 and 62,430,998.40

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Solution

The fourth proportional to 215,779,939.20, 323,669,908.80 and 62,430,998.40 is: 93,646,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,779,939.20 : 323,669,908.80 = 62,430,998.40 : x
  2. Step 2: Convert to fraction form
    215,779,939.20/323,669,908.80 = 62,430,998.40/x
  3. Step 3: Cross multiply
    215,779,939.20x = 323,669,908.80 × 62,430,998.40
  4. Step 4: Simplify right side
    215,779,939.20x = 20,207,035,558,420,948
  5. Step 5: Solve for x
    x = 20,207,035,558,420,948/215,779,939.20
  6. Step 6: Final answer
    x = 93,646,497.60

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1.5x scale

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.