Home / 153,052,726.96-211,210,746.15-86,071,665.22

Finding the Fourth Proportional to 153,052,726.96, 211,210,746.15 and 86,071,665.22

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Solution

The fourth proportional to 153,052,726.96, 211,210,746.15 and 86,071,665.22 is: 118,777,763.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,052,726.96 : 211,210,746.15 = 86,071,665.22 : x
  2. Step 2: Convert to fraction form
    153,052,726.96/211,210,746.15 = 86,071,665.22/x
  3. Step 3: Cross multiply
    153,052,726.96x = 211,210,746.15 × 86,071,665.22
  4. Step 4: Simplify right side
    153,052,726.96x = 18,179,260,633,489,204
  5. Step 5: Solve for x
    x = 18,179,260,633,489,204/153,052,726.96
  6. Step 6: Final answer
    x = 118,777,763.68

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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.