Home / 171,035,139.90-256,552,709.85-149,511,779.40

Finding the Fourth Proportional to 171,035,139.90, 256,552,709.85 and 149,511,779.40

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Solution

The fourth proportional to 171,035,139.90, 256,552,709.85 and 149,511,779.40 is: 224,267,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,035,139.90 : 256,552,709.85 = 149,511,779.40 : x
  2. Step 2: Convert to fraction form
    171,035,139.90/256,552,709.85 = 149,511,779.40/x
  3. Step 3: Cross multiply
    171,035,139.90x = 256,552,709.85 × 149,511,779.40
  4. Step 4: Simplify right side
    171,035,139.90x = 38,357,652,159,565,408
  5. Step 5: Solve for x
    x = 38,357,652,159,565,408/171,035,139.90
  6. Step 6: Final answer
    x = 224,267,669.10

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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.