Home / 302,989,142.64-418,124,827.84-163,759,904.40

Finding the Fourth Proportional to 302,989,142.64, 418,124,827.84 and 163,759,904.40

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Solution

The fourth proportional to 302,989,142.64, 418,124,827.84 and 163,759,904.40 is: 225,988,565.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,989,142.64 : 418,124,827.84 = 163,759,904.40 : x
  2. Step 2: Convert to fraction form
    302,989,142.64/418,124,827.84 = 163,759,904.40/x
  3. Step 3: Cross multiply
    302,989,142.64x = 418,124,827.84 × 163,759,904.40
  4. Step 4: Simplify right side
    302,989,142.64x = 68,472,081,834,344,856
  5. Step 5: Solve for x
    x = 68,472,081,834,344,856/302,989,142.64
  6. Step 6: Final answer
    x = 225,988,565.92

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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.