Home / 145,788,233.96-201,188,124.60-79,712,995.88

Finding the Fourth Proportional to 145,788,233.96, 201,188,124.60 and 79,712,995.88

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Solution

The fourth proportional to 145,788,233.96, 201,188,124.60 and 79,712,995.88 is: 110,004,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,788,233.96 : 201,188,124.60 = 79,712,995.88 : x
  2. Step 2: Convert to fraction form
    145,788,233.96/201,188,124.60 = 79,712,995.88/x
  3. Step 3: Cross multiply
    145,788,233.96x = 201,188,124.60 × 79,712,995.88
  4. Step 4: Simplify right side
    145,788,233.96x = 16,037,308,147,344,726
  5. Step 5: Solve for x
    x = 16,037,308,147,344,726/145,788,233.96
  6. Step 6: Final answer
    x = 110,004,132.10

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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.