Home / 91,232,340.39-136,893,473.15-42,713,478.63

Finding the Fourth Proportional to 91,232,340.39, 136,893,473.15 and 42,713,478.63

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Solution

The fourth proportional to 91,232,340.39, 136,893,473.15 and 42,713,478.63 is: 64,091,268.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,232,340.39 : 136,893,473.15 = 42,713,478.63 : x
  2. Step 2: Convert to fraction form
    91,232,340.39/136,893,473.15 = 42,713,478.63/x
  3. Step 3: Cross multiply
    91,232,340.39x = 136,893,473.15 × 42,713,478.63
  4. Step 4: Simplify right side
    91,232,340.39x = 5,847,196,439,765,437
  5. Step 5: Solve for x
    x = 5,847,196,439,765,437/91,232,340.39
  6. Step 6: Final answer
    x = 64,091,268.67

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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.