Home / 209,953,877.20-314,930,815.80-152,133,096.40

Finding the Fourth Proportional to 209,953,877.20, 314,930,815.80 and 152,133,096.40

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Solution

The fourth proportional to 209,953,877.20, 314,930,815.80 and 152,133,096.40 is: 228,199,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,877.20 : 314,930,815.80 = 152,133,096.40 : x
  2. Step 2: Convert to fraction form
    209,953,877.20/314,930,815.80 = 152,133,096.40/x
  3. Step 3: Cross multiply
    209,953,877.20x = 314,930,815.80 × 152,133,096.40
  4. Step 4: Simplify right side
    209,953,877.20x = 47,911,400,159,432,048
  5. Step 5: Solve for x
    x = 47,911,400,159,432,048/209,953,877.20
  6. Step 6: Final answer
    x = 228,199,644.60

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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.