Home / 119,699,403.51-165,185,102.21-64,695,260.01

Finding the Fourth Proportional to 119,699,403.51, 165,185,102.21 and 64,695,260.01

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Solution

The fourth proportional to 119,699,403.51, 165,185,102.21 and 64,695,260.01 is: 89,279,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,699,403.51 : 165,185,102.21 = 64,695,260.01 : x
  2. Step 2: Convert to fraction form
    119,699,403.51/165,185,102.21 = 64,695,260.01/x
  3. Step 3: Cross multiply
    119,699,403.51x = 165,185,102.21 × 64,695,260.01
  4. Step 4: Simplify right side
    119,699,403.51x = 10,686,693,137,254,376
  5. Step 5: Solve for x
    x = 10,686,693,137,254,376/119,699,403.51
  6. Step 6: Final answer
    x = 89,279,418.48

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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.