Home / 103,970,159.12-143,502,933.48-69,164,316.56

Finding the Fourth Proportional to 103,970,159.12, 143,502,933.48 and 69,164,316.56

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Solution

The fourth proportional to 103,970,159.12, 143,502,933.48 and 69,164,316.56 is: 95,462,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,970,159.12 : 143,502,933.48 = 69,164,316.56 : x
  2. Step 2: Convert to fraction form
    103,970,159.12/143,502,933.48 = 69,164,316.56/x
  3. Step 3: Cross multiply
    103,970,159.12x = 143,502,933.48 × 69,164,316.56
  4. Step 4: Simplify right side
    103,970,159.12x = 9,925,282,318,499,342
  5. Step 5: Solve for x
    x = 9,925,282,318,499,342/103,970,159.12
  6. Step 6: Final answer
    x = 95,462,798.20

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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.