Home / 292,421,424.32-438,628,754.72-71,094,017.84

Finding the Fourth Proportional to 292,421,424.32, 438,628,754.72 and 71,094,017.84

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Solution

The fourth proportional to 292,421,424.32, 438,628,754.72 and 71,094,017.84 is: 106,640,204.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,421,424.32 : 438,628,754.72 = 71,094,017.84 : x
  2. Step 2: Convert to fraction form
    292,421,424.32/438,628,754.72 = 71,094,017.84/x
  3. Step 3: Cross multiply
    292,421,424.32x = 438,628,754.72 × 71,094,017.84
  4. Step 4: Simplify right side
    292,421,424.32x = 31,183,880,513,200,668
  5. Step 5: Solve for x
    x = 31,183,880,513,200,668/292,421,424.32
  6. Step 6: Final answer
    x = 106,640,204.58

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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.