Home / 196,289,894.61-270,890,707.12-112,657,356.59

Finding the Fourth Proportional to 196,289,894.61, 270,890,707.12 and 112,657,356.59

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Solution

The fourth proportional to 196,289,894.61, 270,890,707.12 and 112,657,356.59 is: 155,473,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,289,894.61 : 270,890,707.12 = 112,657,356.59 : x
  2. Step 2: Convert to fraction form
    196,289,894.61/270,890,707.12 = 112,657,356.59/x
  3. Step 3: Cross multiply
    196,289,894.61x = 270,890,707.12 × 112,657,356.59
  4. Step 4: Simplify right side
    196,289,894.61x = 30,517,830,988,060,196
  5. Step 5: Solve for x
    x = 30,517,830,988,060,196/196,289,894.61
  6. Step 6: Final answer
    x = 155,473,265.95

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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.