Home / 145,739,955.79-218,648,221.02-52,376,353.75

Finding the Fourth Proportional to 145,739,955.79, 218,648,221.02 and 52,376,353.75

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Solution

The fourth proportional to 145,739,955.79, 218,648,221.02 and 52,376,353.75 is: 78,578,290.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,739,955.79 : 218,648,221.02 = 52,376,353.75 : x
  2. Step 2: Convert to fraction form
    145,739,955.79/218,648,221.02 = 52,376,353.75/x
  3. Step 3: Cross multiply
    145,739,955.79x = 218,648,221.02 × 52,376,353.75
  4. Step 4: Simplify right side
    145,739,955.79x = 11,451,996,570,951,706
  5. Step 5: Solve for x
    x = 11,451,996,570,951,706/145,739,955.79
  6. Step 6: Final answer
    x = 78,578,290.41

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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.