Home / 105,027,254.40-144,802,882.14-86,119,174.08

Finding the Fourth Proportional to 105,027,254.40, 144,802,882.14 and 86,119,174.08

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Solution

The fourth proportional to 105,027,254.40, 144,802,882.14 and 86,119,174.08 is: 118,733,986.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,027,254.40 : 144,802,882.14 = 86,119,174.08 : x
  2. Step 2: Convert to fraction form
    105,027,254.40/144,802,882.14 = 86,119,174.08/x
  3. Step 3: Cross multiply
    105,027,254.40x = 144,802,882.14 × 86,119,174.08
  4. Step 4: Simplify right side
    105,027,254.40x = 12,470,304,614,300,382
  5. Step 5: Solve for x
    x = 12,470,304,614,300,382/105,027,254.40
  6. Step 6: Final answer
    x = 118,733,986.58

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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.