Home / 130,301,726.51-195,476,618.15-42,868,164.35

Finding the Fourth Proportional to 130,301,726.51, 195,476,618.15 and 42,868,164.35

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Solution

The fourth proportional to 130,301,726.51, 195,476,618.15 and 42,868,164.35 is: 64,310,151.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,301,726.51 : 195,476,618.15 = 42,868,164.35 : x
  2. Step 2: Convert to fraction form
    130,301,726.51/195,476,618.15 = 42,868,164.35/x
  3. Step 3: Cross multiply
    130,301,726.51x = 195,476,618.15 × 42,868,164.35
  4. Step 4: Simplify right side
    130,301,726.51x = 8,379,723,793,436,393
  5. Step 5: Solve for x
    x = 8,379,723,793,436,393/130,301,726.51
  6. Step 6: Final answer
    x = 64,310,151.66

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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.