Home / 126,604,476.32-189,880,142.09-35,706,807.68

Finding the Fourth Proportional to 126,604,476.32, 189,880,142.09 and 35,706,807.68

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Solution

The fourth proportional to 126,604,476.32, 189,880,142.09 and 35,706,807.68 is: 53,552,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,604,476.32 : 189,880,142.09 = 35,706,807.68 : x
  2. Step 2: Convert to fraction form
    126,604,476.32/189,880,142.09 = 35,706,807.68/x
  3. Step 3: Cross multiply
    126,604,476.32x = 189,880,142.09 × 35,706,807.68
  4. Step 4: Simplify right side
    126,604,476.32x = 6,780,013,714,730,768
  5. Step 5: Solve for x
    x = 6,780,013,714,730,768/126,604,476.32
  6. Step 6: Final answer
    x = 53,552,717.19

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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.