Home / 105,008,984.40-157,466,237.40-40,291,280.40

Finding the Fourth Proportional to 105,008,984.40, 157,466,237.40 and 40,291,280.40

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Solution

The fourth proportional to 105,008,984.40, 157,466,237.40 and 40,291,280.40 is: 60,418,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,008,984.40 : 157,466,237.40 = 40,291,280.40 : x
  2. Step 2: Convert to fraction form
    105,008,984.40/157,466,237.40 = 40,291,280.40/x
  3. Step 3: Cross multiply
    105,008,984.40x = 157,466,237.40 × 40,291,280.40
  4. Step 4: Simplify right side
    105,008,984.40x = 6,344,516,324,616,367
  5. Step 5: Solve for x
    x = 6,344,516,324,616,367/105,008,984.40
  6. Step 6: Final answer
    x = 60,418,795.22

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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.