Home / 55,316,470.02-76,334,728.03-30,536,124.86

Finding the Fourth Proportional to 55,316,470.02, 76,334,728.03 and 30,536,124.86

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Solution

The fourth proportional to 55,316,470.02, 76,334,728.03 and 30,536,124.86 is: 42,138,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316,470.02 : 76,334,728.03 = 30,536,124.86 : x
  2. Step 2: Convert to fraction form
    55,316,470.02/76,334,728.03 = 30,536,124.86/x
  3. Step 3: Cross multiply
    55,316,470.02x = 76,334,728.03 × 30,536,124.86
  4. Step 4: Simplify right side
    55,316,470.02x = 2,330,966,786,392,718.50
  5. Step 5: Solve for x
    x = 2,330,966,786,392,718.50/55,316,470.02
  6. Step 6: Final answer
    x = 42,138,747.93

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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.