Home / 129,325,328.64-194,018,878.88-43,064,483.04

Finding the Fourth Proportional to 129,325,328.64, 194,018,878.88 and 43,064,483.04

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Solution

The fourth proportional to 129,325,328.64, 194,018,878.88 and 43,064,483.04 is: 64,607,009.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,325,328.64 : 194,018,878.88 = 43,064,483.04 : x
  2. Step 2: Convert to fraction form
    129,325,328.64/194,018,878.88 = 43,064,483.04/x
  3. Step 3: Cross multiply
    129,325,328.64x = 194,018,878.88 × 43,064,483.04
  4. Step 4: Simplify right side
    129,325,328.64x = 8,355,322,718,967,574
  5. Step 5: Solve for x
    x = 8,355,322,718,967,574/129,325,328.64
  6. Step 6: Final answer
    x = 64,607,009.37

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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.