Home / 105,008,919.40-157,466,139.90-40,291,215.40

Finding the Fourth Proportional to 105,008,919.40, 157,466,139.90 and 40,291,215.40

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Solution

The fourth proportional to 105,008,919.40, 157,466,139.90 and 40,291,215.40 is: 60,418,697.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,008,919.40 : 157,466,139.90 = 40,291,215.40 : x
  2. Step 2: Convert to fraction form
    105,008,919.40/157,466,139.90 = 40,291,215.40/x
  3. Step 3: Cross multiply
    105,008,919.40x = 157,466,139.90 × 40,291,215.40
  4. Step 4: Simplify right side
    105,008,919.40x = 6,344,502,160,917,434
  5. Step 5: Solve for x
    x = 6,344,502,160,917,434/105,008,919.40
  6. Step 6: Final answer
    x = 60,418,697.74

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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.