Home / 65,723,392.78-90,223,338.13-56,414,802.31

Finding the Fourth Proportional to 65,723,392.78, 90,223,338.13 and 56,414,802.31

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Solution

The fourth proportional to 65,723,392.78, 90,223,338.13 and 56,414,802.31 is: 77,444,750.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,723,392.78 : 90,223,338.13 = 56,414,802.31 : x
  2. Step 2: Convert to fraction form
    65,723,392.78/90,223,338.13 = 56,414,802.31/x
  3. Step 3: Cross multiply
    65,723,392.78x = 90,223,338.13 × 56,414,802.31
  4. Step 4: Simplify right side
    65,723,392.78x = 5,089,931,783,985,639
  5. Step 5: Solve for x
    x = 5,089,931,783,985,639/65,723,392.78
  6. Step 6: Final answer
    x = 77,444,750.93

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.