Home / 135,462,974,362.42-186,943,819,732.83-77,602,536,817.84

Finding the Fourth Proportional to 135,462,974,362.42, 186,943,819,732.83 and 77,602,536,817.84

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Solution

The fourth proportional to 135,462,974,362.42, 186,943,819,732.83 and 77,602,536,817.84 is: 107,094,316,524.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,462,974,362.42 : 186,943,819,732.83 = 77,602,536,817.84 : x
  2. Step 2: Convert to fraction form
    135,462,974,362.42/186,943,819,732.83 = 77,602,536,817.84/x
  3. Step 3: Cross multiply
    135,462,974,362.42x = 186,943,819,732.83 × 77,602,536,817.84
  4. Step 4: Simplify right side
    135,462,974,362.42x = 14,507,314,653,685,144,879,104
  5. Step 5: Solve for x
    x = 14,507,314,653,685,144,879,104/135,462,974,362.42
  6. Step 6: Final answer
    x = 107,094,316,524.25

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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.