Home / 91,562,901.40-137,344,352.10-30,978,627.40

Finding the Fourth Proportional to 91,562,901.40, 137,344,352.10 and 30,978,627.40

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Solution

The fourth proportional to 91,562,901.40, 137,344,352.10 and 30,978,627.40 is: 46,467,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,562,901.40 : 137,344,352.10 = 30,978,627.40 : x
  2. Step 2: Convert to fraction form
    91,562,901.40/137,344,352.10 = 30,978,627.40/x
  3. Step 3: Cross multiply
    91,562,901.40x = 137,344,352.10 × 30,978,627.40
  4. Step 4: Simplify right side
    91,562,901.40x = 4,254,739,509,200,307
  5. Step 5: Solve for x
    x = 4,254,739,509,200,307/91,562,901.40
  6. Step 6: Final answer
    x = 46,467,941.10

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Similar ratio
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1.5x scale

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.