Home / 69,379,430.40-104,069,145.60-37,130,803.20

Finding the Fourth Proportional to 69,379,430.40, 104,069,145.60 and 37,130,803.20

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Solution

The fourth proportional to 69,379,430.40, 104,069,145.60 and 37,130,803.20 is: 55,696,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,379,430.40 : 104,069,145.60 = 37,130,803.20 : x
  2. Step 2: Convert to fraction form
    69,379,430.40/104,069,145.60 = 37,130,803.20/x
  3. Step 3: Cross multiply
    69,379,430.40x = 104,069,145.60 × 37,130,803.20
  4. Step 4: Simplify right side
    69,379,430.40x = 3,864,170,964,465,746
  5. Step 5: Solve for x
    x = 3,864,170,964,465,746/69,379,430.40
  6. Step 6: Final answer
    x = 55,696,204.80

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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.