Home / 163,372,703.99-245,131,423.28-85,631,132.34

Finding the Fourth Proportional to 163,372,703.99, 245,131,423.28 and 85,631,132.34

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Solution

The fourth proportional to 163,372,703.99, 245,131,423.28 and 85,631,132.34 is: 128,484,629.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,372,703.99 : 245,131,423.28 = 85,631,132.34 : x
  2. Step 2: Convert to fraction form
    163,372,703.99/245,131,423.28 = 85,631,132.34/x
  3. Step 3: Cross multiply
    163,372,703.99x = 245,131,423.28 × 85,631,132.34
  4. Step 4: Simplify right side
    163,372,703.99x = 20,990,881,347,154,084
  5. Step 5: Solve for x
    x = 20,990,881,347,154,084/163,372,703.99
  6. Step 6: Final answer
    x = 128,484,629.53

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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.