Home / 65,880,483.99-90,915,066.09-36,516,228.21

Finding the Fourth Proportional to 65,880,483.99, 90,915,066.09 and 36,516,228.21

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Solution

The fourth proportional to 65,880,483.99, 90,915,066.09 and 36,516,228.21 is: 50,392,393.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,880,483.99 : 90,915,066.09 = 36,516,228.21 : x
  2. Step 2: Convert to fraction form
    65,880,483.99/90,915,066.09 = 36,516,228.21/x
  3. Step 3: Cross multiply
    65,880,483.99x = 90,915,066.09 × 36,516,228.21
  4. Step 4: Simplify right side
    65,880,483.99x = 3,319,875,301,069,672.50
  5. Step 5: Solve for x
    x = 3,319,875,301,069,672.50/65,880,483.99
  6. Step 6: Final answer
    x = 50,392,393.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.