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Finding the Fourth Proportional to 91,937,004,429.70, 137,905,506,644.55 and 91,937,004,429.70

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Solution

The fourth proportional to 91,937,004,429.70, 137,905,506,644.55 and 91,937,004,429.70 is: 137,905,506,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,937,004,429.70 : 137,905,506,644.55 = 91,937,004,429.70 : x
  2. Step 2: Convert to fraction form
    91,937,004,429.70/137,905,506,644.55 = 91,937,004,429.70/x
  3. Step 3: Cross multiply
    91,937,004,429.70x = 137,905,506,644.55 × 91,937,004,429.70
  4. Step 4: Simplify right side
    91,937,004,429.70x = 12,678,619,175,260,015,034,368
  5. Step 5: Solve for x
    x = 12,678,619,175,260,015,034,368/91,937,004,429.70
  6. Step 6: Final answer
    x = 137,905,506,644.55

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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.