Home / 105,008,921.90-157,466,143.65-40,291,217.90

Finding the Fourth Proportional to 105,008,921.90, 157,466,143.65 and 40,291,217.90

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Solution

The fourth proportional to 105,008,921.90, 157,466,143.65 and 40,291,217.90 is: 60,418,701.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,008,921.90 : 157,466,143.65 = 40,291,217.90 : x
  2. Step 2: Convert to fraction form
    105,008,921.90/157,466,143.65 = 40,291,217.90/x
  3. Step 3: Cross multiply
    105,008,921.90x = 157,466,143.65 × 40,291,217.90
  4. Step 4: Simplify right side
    105,008,921.90x = 6,344,502,705,674,851
  5. Step 5: Solve for x
    x = 6,344,502,705,674,851/105,008,921.90
  6. Step 6: Final answer
    x = 60,418,701.49

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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.