Home / 124,301,221.80-186,451,832.70-105,169,345.80

Finding the Fourth Proportional to 124,301,221.80, 186,451,832.70 and 105,169,345.80

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Solution

The fourth proportional to 124,301,221.80, 186,451,832.70 and 105,169,345.80 is: 157,754,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,301,221.80 : 186,451,832.70 = 105,169,345.80 : x
  2. Step 2: Convert to fraction form
    124,301,221.80/186,451,832.70 = 105,169,345.80/x
  3. Step 3: Cross multiply
    124,301,221.80x = 186,451,832.70 × 105,169,345.80
  4. Step 4: Simplify right side
    124,301,221.80x = 19,609,017,268,270,044
  5. Step 5: Solve for x
    x = 19,609,017,268,270,044/124,301,221.80
  6. Step 6: Final answer
    x = 157,754,018.70

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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.