Home / 118,372,758.93-163,347,818.06-65,446,406.71

Finding the Fourth Proportional to 118,372,758.93, 163,347,818.06 and 65,446,406.71

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Solution

The fourth proportional to 118,372,758.93, 163,347,818.06 and 65,446,406.71 is: 90,312,398.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,372,758.93 : 163,347,818.06 = 65,446,406.71 : x
  2. Step 2: Convert to fraction form
    118,372,758.93/163,347,818.06 = 65,446,406.71/x
  3. Step 3: Cross multiply
    118,372,758.93x = 163,347,818.06 × 65,446,406.71
  4. Step 4: Simplify right side
    118,372,758.93x = 10,690,527,735,701,090
  5. Step 5: Solve for x
    x = 10,690,527,735,701,090/118,372,758.93
  6. Step 6: Final answer
    x = 90,312,398.16

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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.