Home / 56,211,246.80-77,565,548.60-31,089,364.08

Finding the Fourth Proportional to 56,211,246.80, 77,565,548.60 and 31,089,364.08

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Solution

The fourth proportional to 56,211,246.80, 77,565,548.60 and 31,089,364.08 is: 42,900,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,211,246.80 : 77,565,548.60 = 31,089,364.08 : x
  2. Step 2: Convert to fraction form
    56,211,246.80/77,565,548.60 = 31,089,364.08/x
  3. Step 3: Cross multiply
    56,211,246.80x = 77,565,548.60 × 31,089,364.08
  4. Step 4: Simplify right side
    56,211,246.80x = 2,411,463,580,335,479.50
  5. Step 5: Solve for x
    x = 2,411,463,580,335,479.50/56,211,246.80
  6. Step 6: Final answer
    x = 42,900,019.44

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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.