Home / 129,653,052.77-178,922,600.70-70,914,461.88

Finding the Fourth Proportional to 129,653,052.77, 178,922,600.70 and 70,914,461.88

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Solution

The fourth proportional to 129,653,052.77, 178,922,600.70 and 70,914,461.88 is: 97,862,716.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,653,052.77 : 178,922,600.70 = 70,914,461.88 : x
  2. Step 2: Convert to fraction form
    129,653,052.77/178,922,600.70 = 70,914,461.88/x
  3. Step 3: Cross multiply
    129,653,052.77x = 178,922,600.70 × 70,914,461.88
  4. Step 4: Simplify right side
    129,653,052.77x = 12,688,199,947,215,642
  5. Step 5: Solve for x
    x = 12,688,199,947,215,642/129,653,052.77
  6. Step 6: Final answer
    x = 97,862,716.50

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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.