Home / 107,779,125.40-161,668,688.10-99,465,026.20

Finding the Fourth Proportional to 107,779,125.40, 161,668,688.10 and 99,465,026.20

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Solution

The fourth proportional to 107,779,125.40, 161,668,688.10 and 99,465,026.20 is: 149,197,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,779,125.40 : 161,668,688.10 = 99,465,026.20 : x
  2. Step 2: Convert to fraction form
    107,779,125.40/161,668,688.10 = 99,465,026.20/x
  3. Step 3: Cross multiply
    107,779,125.40x = 161,668,688.10 × 99,465,026.20
  4. Step 4: Simplify right side
    107,779,125.40x = 16,080,380,297,586,128
  5. Step 5: Solve for x
    x = 16,080,380,297,586,128/107,779,125.40
  6. Step 6: Final answer
    x = 149,197,539.30

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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.