Home / 105,224,476.40-157,687,415.40-77,716,098.80

Finding the Fourth Proportional to 105,224,476.40, 157,687,415.40 and 77,716,098.80

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Solution

The fourth proportional to 105,224,476.40, 157,687,415.40 and 77,716,098.80 is: 116,463,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,224,476.40 : 157,687,415.40 = 77,716,098.80 : x
  2. Step 2: Convert to fraction form
    105,224,476.40/157,687,415.40 = 77,716,098.80/x
  3. Step 3: Cross multiply
    105,224,476.40x = 157,687,415.40 × 77,716,098.80
  4. Step 4: Simplify right side
    105,224,476.40x = 12,254,850,754,743,042
  5. Step 5: Solve for x
    x = 12,254,850,754,743,042/105,224,476.40
  6. Step 6: Final answer
    x = 116,463,879.64

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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.