Home / 118,520,426.10-163,564,534.53-66,306,348.66

Finding the Fourth Proportional to 118,520,426.10, 163,564,534.53 and 66,306,348.66

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Solution

The fourth proportional to 118,520,426.10, 163,564,534.53 and 66,306,348.66 is: 91,506,311.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,520,426.10 : 163,564,534.53 = 66,306,348.66 : x
  2. Step 2: Convert to fraction form
    118,520,426.10/163,564,534.53 = 66,306,348.66/x
  3. Step 3: Cross multiply
    118,520,426.10x = 163,564,534.53 × 66,306,348.66
  4. Step 4: Simplify right side
    118,520,426.10x = 10,845,367,054,956,788
  5. Step 5: Solve for x
    x = 10,845,367,054,956,788/118,520,426.10
  6. Step 6: Final answer
    x = 91,506,311.71

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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.