Home / 81,406,944,681.84-122,105,997,993.09-24,742,389,746.82

Finding the Fourth Proportional to 81,406,944,681.84, 122,105,997,993.09 and 24,742,389,746.82

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Solution

The fourth proportional to 81,406,944,681.84, 122,105,997,993.09 and 24,742,389,746.82 is: 37,112,241,524.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,406,944,681.84 : 122,105,997,993.09 = 24,742,389,746.82 : x
  2. Step 2: Convert to fraction form
    81,406,944,681.84/122,105,997,993.09 = 24,742,389,746.82/x
  3. Step 3: Cross multiply
    81,406,944,681.84x = 122,105,997,993.09 × 24,742,389,746.82
  4. Step 4: Simplify right side
    81,406,944,681.84x = 3,021,194,192,769,453,129,728
  5. Step 5: Solve for x
    x = 3,021,194,192,769,453,129,728/81,406,944,681.84
  6. Step 6: Final answer
    x = 37,112,241,524.07

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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.