Home / 170,355,437.80-255,533,156.70-102,163,028.20

Finding the Fourth Proportional to 170,355,437.80, 255,533,156.70 and 102,163,028.20

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Solution

The fourth proportional to 170,355,437.80, 255,533,156.70 and 102,163,028.20 is: 153,244,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,355,437.80 : 255,533,156.70 = 102,163,028.20 : x
  2. Step 2: Convert to fraction form
    170,355,437.80/255,533,156.70 = 102,163,028.20/x
  3. Step 3: Cross multiply
    170,355,437.80x = 255,533,156.70 × 102,163,028.20
  4. Step 4: Simplify right side
    170,355,437.80x = 26,106,041,093,977,120
  5. Step 5: Solve for x
    x = 26,106,041,093,977,120/170,355,437.80
  6. Step 6: Final answer
    x = 153,244,542.30

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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.