Home / 153,784,336.29-212,199,554.58-93,401,908.23

Finding the Fourth Proportional to 153,784,336.29, 212,199,554.58 and 93,401,908.23

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Solution

The fourth proportional to 153,784,336.29, 212,199,554.58 and 93,401,908.23 is: 128,880,767.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,784,336.29 : 212,199,554.58 = 93,401,908.23 : x
  2. Step 2: Convert to fraction form
    153,784,336.29/212,199,554.58 = 93,401,908.23/x
  3. Step 3: Cross multiply
    153,784,336.29x = 212,199,554.58 × 93,401,908.23
  4. Step 4: Simplify right side
    153,784,336.29x = 19,819,843,323,328,040
  5. Step 5: Solve for x
    x = 19,819,843,323,328,040/153,784,336.29
  6. Step 6: Final answer
    x = 128,880,767.71

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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.