Home / 91,045,979.26-136,613,810.26-42,516,780.05

Finding the Fourth Proportional to 91,045,979.26, 136,613,810.26 and 42,516,780.05

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Solution

The fourth proportional to 91,045,979.26, 136,613,810.26 and 42,516,780.05 is: 63,796,110.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,045,979.26 : 136,613,810.26 = 42,516,780.05 : x
  2. Step 2: Convert to fraction form
    91,045,979.26/136,613,810.26 = 42,516,780.05/x
  3. Step 3: Cross multiply
    91,045,979.26x = 136,613,810.26 × 42,516,780.05
  4. Step 4: Simplify right side
    91,045,979.26x = 5,808,379,322,616,853
  5. Step 5: Solve for x
    x = 5,808,379,322,616,853/91,045,979.26
  6. Step 6: Final answer
    x = 63,796,110.16

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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.