Home / 42,911,163.18-64,407,194.28-15,643,811.34

Finding the Fourth Proportional to 42,911,163.18, 64,407,194.28 and 15,643,811.34

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Solution

The fourth proportional to 42,911,163.18, 64,407,194.28 and 15,643,811.34 is: 23,480,463.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,911,163.18 : 64,407,194.28 = 15,643,811.34 : x
  2. Step 2: Convert to fraction form
    42,911,163.18/64,407,194.28 = 15,643,811.34/x
  3. Step 3: Cross multiply
    42,911,163.18x = 64,407,194.28 × 15,643,811.34
  4. Step 4: Simplify right side
    42,911,163.18x = 1,007,573,996,255,047.12
  5. Step 5: Solve for x
    x = 1,007,573,996,255,047.12/42,911,163.18
  6. Step 6: Final answer
    x = 23,480,463.39

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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.