Home / 115,041,807.20-172,562,710.80-102,500,674.40

Finding the Fourth Proportional to 115,041,807.20, 172,562,710.80 and 102,500,674.40

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Solution

The fourth proportional to 115,041,807.20, 172,562,710.80 and 102,500,674.40 is: 153,751,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,041,807.20 : 172,562,710.80 = 102,500,674.40 : x
  2. Step 2: Convert to fraction form
    115,041,807.20/172,562,710.80 = 102,500,674.40/x
  3. Step 3: Cross multiply
    115,041,807.20x = 172,562,710.80 × 102,500,674.40
  4. Step 4: Simplify right side
    115,041,807.20x = 17,687,794,233,292,166
  5. Step 5: Solve for x
    x = 17,687,794,233,292,166/115,041,807.20
  6. Step 6: Final answer
    x = 153,751,011.60

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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.