Home / 30,784,865.60-46,289,272.80-30,113,019.20

Finding the Fourth Proportional to 30,784,865.60, 46,289,272.80 and 30,113,019.20

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Solution

The fourth proportional to 30,784,865.60, 46,289,272.80 and 30,113,019.20 is: 45,279,059.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,784,865.60 : 46,289,272.80 = 30,113,019.20 : x
  2. Step 2: Convert to fraction form
    30,784,865.60/46,289,272.80 = 30,113,019.20/x
  3. Step 3: Cross multiply
    30,784,865.60x = 46,289,272.80 × 30,113,019.20
  4. Step 4: Simplify right side
    30,784,865.60x = 1,393,909,760,580,437.75
  5. Step 5: Solve for x
    x = 1,393,909,760,580,437.75/30,784,865.60
  6. Step 6: Final answer
    x = 45,279,059.48

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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.