Home / 302,989,143.64-418,124,829.22-163,759,905.40

Finding the Fourth Proportional to 302,989,143.64, 418,124,829.22 and 163,759,905.40

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Solution

The fourth proportional to 302,989,143.64, 418,124,829.22 and 163,759,905.40 is: 225,988,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,989,143.64 : 418,124,829.22 = 163,759,905.40 : x
  2. Step 2: Convert to fraction form
    302,989,143.64/418,124,829.22 = 163,759,905.40/x
  3. Step 3: Cross multiply
    302,989,143.64x = 418,124,829.22 × 163,759,905.40
  4. Step 4: Simplify right side
    302,989,143.64x = 68,472,082,478,458,360
  5. Step 5: Solve for x
    x = 68,472,082,478,458,360/302,989,143.64
  6. Step 6: Final answer
    x = 225,988,567.30

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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.