Home / 170,474,486.40-255,744,907.20-73,430,006.40

Finding the Fourth Proportional to 170,474,486.40, 255,744,907.20 and 73,430,006.40

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Solution

The fourth proportional to 170,474,486.40, 255,744,907.20 and 73,430,006.40 is: 110,159,300.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,474,486.40 : 255,744,907.20 = 73,430,006.40 : x
  2. Step 2: Convert to fraction form
    170,474,486.40/255,744,907.20 = 73,430,006.40/x
  3. Step 3: Cross multiply
    170,474,486.40x = 255,744,907.20 × 73,430,006.40
  4. Step 4: Simplify right side
    170,474,486.40x = 18,779,350,172,463,408
  5. Step 5: Solve for x
    x = 18,779,350,172,463,408/170,474,486.40
  6. Step 6: Final answer
    x = 110,159,300.49

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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.