Home / 208,354,838.43-287,534,956.52-114,272,731.23

Finding the Fourth Proportional to 208,354,838.43, 287,534,956.52 and 114,272,731.23

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Solution

The fourth proportional to 208,354,838.43, 287,534,956.52 and 114,272,731.23 is: 157,699,264.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,354,838.43 : 287,534,956.52 = 114,272,731.23 : x
  2. Step 2: Convert to fraction form
    208,354,838.43/287,534,956.52 = 114,272,731.23/x
  3. Step 3: Cross multiply
    208,354,838.43x = 287,534,956.52 × 114,272,731.23
  4. Step 4: Simplify right side
    208,354,838.43x = 32,857,404,805,068,332
  5. Step 5: Solve for x
    x = 32,857,404,805,068,332/208,354,838.43
  6. Step 6: Final answer
    x = 157,699,264.64

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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.