Home / 103,865,621.84-155,812,607-43,267,176.08

Finding the Fourth Proportional to 103,865,621.84, 155,812,607 and 43,267,176.08

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Solution

The fourth proportional to 103,865,621.84, 155,812,607 and 43,267,176.08 is: 64,906,668.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,865,621.84 : 155,812,607 = 43,267,176.08 : x
  2. Step 2: Convert to fraction form
    103,865,621.84/155,812,607 = 43,267,176.08/x
  3. Step 3: Cross multiply
    103,865,621.84x = 155,812,607 × 43,267,176.08
  4. Step 4: Simplify right side
    103,865,621.84x = 6,741,571,502,552,840
  5. Step 5: Solve for x
    x = 6,741,571,502,552,840/103,865,621.84
  6. Step 6: Final answer
    x = 64,906,668.67

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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.