Home / 91,590,690.11-137,273,478.86-42,339,923.45

Finding the Fourth Proportional to 91,590,690.11, 137,273,478.86 and 42,339,923.45

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Solution

The fourth proportional to 91,590,690.11, 137,273,478.86 and 42,339,923.45 is: 63,457,853.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,590,690.11 : 137,273,478.86 = 42,339,923.45 : x
  2. Step 2: Convert to fraction form
    91,590,690.11/137,273,478.86 = 42,339,923.45/x
  3. Step 3: Cross multiply
    91,590,690.11x = 137,273,478.86 × 42,339,923.45
  4. Step 4: Simplify right side
    91,590,690.11x = 5,812,148,587,116,064
  5. Step 5: Solve for x
    x = 5,812,148,587,116,064/91,590,690.11
  6. Step 6: Final answer
    x = 63,457,853.41

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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.