Home / 109,146,774,962.39-163,573,818,491.49-84,946,381,209.48

Finding the Fourth Proportional to 109,146,774,962.39, 163,573,818,491.49 and 84,946,381,209.48

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Solution

The fourth proportional to 109,146,774,962.39, 163,573,818,491.49 and 84,946,381,209.48 is: 127,305,675,740.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,146,774,962.39 : 163,573,818,491.49 = 84,946,381,209.48 : x
  2. Step 2: Convert to fraction form
    109,146,774,962.39/163,573,818,491.49 = 84,946,381,209.48/x
  3. Step 3: Cross multiply
    109,146,774,962.39x = 163,573,818,491.49 × 84,946,381,209.48
  4. Step 4: Simplify right side
    109,146,774,962.39x = 13,895,003,941,468,396,060,672
  5. Step 5: Solve for x
    x = 13,895,003,941,468,396,060,672/109,146,774,962.39
  6. Step 6: Final answer
    x = 127,305,675,740.36

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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.