Home / 210,707,879,239.51-290,777,088,551.66-114,363,985,565.35

Finding the Fourth Proportional to 210,707,879,239.51, 290,777,088,551.66 and 114,363,985,565.35

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Solution

The fourth proportional to 210,707,879,239.51, 290,777,088,551.66 and 114,363,985,565.35 is: 157,822,416,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,707,879,239.51 : 290,777,088,551.66 = 114,363,985,565.35 : x
  2. Step 2: Convert to fraction form
    210,707,879,239.51/290,777,088,551.66 = 114,363,985,565.35/x
  3. Step 3: Cross multiply
    210,707,879,239.51x = 290,777,088,551.66 × 114,363,985,565.35
  4. Step 4: Simplify right side
    210,707,879,239.51x = 33,254,426,757,856,539,705,344
  5. Step 5: Solve for x
    x = 33,254,426,757,856,539,705,344/210,707,879,239.51
  6. Step 6: Final answer
    x = 157,822,416,882.93

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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.