Home / 105,008,920.40-157,466,141.40-40,291,216.40

Finding the Fourth Proportional to 105,008,920.40, 157,466,141.40 and 40,291,216.40

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Solution

The fourth proportional to 105,008,920.40, 157,466,141.40 and 40,291,216.40 is: 60,418,699.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,008,920.40 : 157,466,141.40 = 40,291,216.40 : x
  2. Step 2: Convert to fraction form
    105,008,920.40/157,466,141.40 = 40,291,216.40/x
  3. Step 3: Cross multiply
    105,008,920.40x = 157,466,141.40 × 40,291,216.40
  4. Step 4: Simplify right side
    105,008,920.40x = 6,344,502,378,820,399
  5. Step 5: Solve for x
    x = 6,344,502,378,820,399/105,008,920.40
  6. Step 6: Final answer
    x = 60,418,699.24

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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.