Home / 129,349,124.60-194,050,643.70-43,114,321.40

Finding the Fourth Proportional to 129,349,124.60, 194,050,643.70 and 43,114,321.40

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Solution

The fourth proportional to 129,349,124.60, 194,050,643.70 and 43,114,321.40 is: 64,680,467.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,349,124.60 : 194,050,643.70 = 43,114,321.40 : x
  2. Step 2: Convert to fraction form
    129,349,124.60/194,050,643.70 = 43,114,321.40/x
  3. Step 3: Cross multiply
    129,349,124.60x = 194,050,643.70 × 43,114,321.40
  4. Step 4: Simplify right side
    129,349,124.60x = 8,366,361,820,358,684
  5. Step 5: Solve for x
    x = 8,366,361,820,358,684/129,349,124.60
  6. Step 6: Final answer
    x = 64,680,467.27

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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.