Home / 137,416,756.58-189,726,439.82-105,570,206.13

Finding the Fourth Proportional to 137,416,756.58, 189,726,439.82 and 105,570,206.13

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Solution

The fourth proportional to 137,416,756.58, 189,726,439.82 and 105,570,206.13 is: 145,757,037.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,416,756.58 : 189,726,439.82 = 105,570,206.13 : x
  2. Step 2: Convert to fraction form
    137,416,756.58/189,726,439.82 = 105,570,206.13/x
  3. Step 3: Cross multiply
    137,416,756.58x = 189,726,439.82 × 105,570,206.13
  4. Step 4: Simplify right side
    137,416,756.58x = 20,029,459,360,108,440
  5. Step 5: Solve for x
    x = 20,029,459,360,108,440/137,416,756.58
  6. Step 6: Final answer
    x = 145,757,037.63

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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.