Home / 56,211,247.55-77,565,549.64-31,089,364.83

Finding the Fourth Proportional to 56,211,247.55, 77,565,549.64 and 31,089,364.83

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Solution

The fourth proportional to 56,211,247.55, 77,565,549.64 and 31,089,364.83 is: 42,900,020.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,211,247.55 : 77,565,549.64 = 31,089,364.83 : x
  2. Step 2: Convert to fraction form
    56,211,247.55/77,565,549.64 = 31,089,364.83/x
  3. Step 3: Cross multiply
    56,211,247.55x = 77,565,549.64 × 31,089,364.83
  4. Step 4: Simplify right side
    56,211,247.55x = 2,411,463,670,919,711.50
  5. Step 5: Solve for x
    x = 2,411,463,670,919,711.50/56,211,247.55
  6. Step 6: Final answer
    x = 42,900,020.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.