Home / 113,823,718.75-157,098,011.39-64,931,146.75

Finding the Fourth Proportional to 113,823,718.75, 157,098,011.39 and 64,931,146.75

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Solution

The fourth proportional to 113,823,718.75, 157,098,011.39 and 64,931,146.75 is: 89,617,121.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,823,718.75 : 157,098,011.39 = 64,931,146.75 : x
  2. Step 2: Convert to fraction form
    113,823,718.75/157,098,011.39 = 64,931,146.75/x
  3. Step 3: Cross multiply
    113,823,718.75x = 157,098,011.39 × 64,931,146.75
  4. Step 4: Simplify right side
    113,823,718.75x = 10,200,554,031,697,260
  5. Step 5: Solve for x
    x = 10,200,554,031,697,260/113,823,718.75
  6. Step 6: Final answer
    x = 89,617,121.49

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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.