Home / 145,615,120.34-218,423,497.02-48,570,561.50

Finding the Fourth Proportional to 145,615,120.34, 218,423,497.02 and 48,570,561.50

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Solution

The fourth proportional to 145,615,120.34, 218,423,497.02 and 48,570,561.50 is: 72,856,114.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,615,120.34 : 218,423,497.02 = 48,570,561.50 : x
  2. Step 2: Convert to fraction form
    145,615,120.34/218,423,497.02 = 48,570,561.50/x
  3. Step 3: Cross multiply
    145,615,120.34x = 218,423,497.02 × 48,570,561.50
  4. Step 4: Simplify right side
    145,615,120.34x = 10,608,951,895,054,978
  5. Step 5: Solve for x
    x = 10,608,951,895,054,978/145,615,120.34
  6. Step 6: Final answer
    x = 72,856,114.60

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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.