Home / 207,756,800-286,704,663.02-113,679,785.58

Finding the Fourth Proportional to 207,756,800, 286,704,663.02 and 113,679,785.58

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Solution

The fourth proportional to 207,756,800, 286,704,663.02 and 113,679,785.58 is: 156,878,256.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,756,800 : 286,704,663.02 = 113,679,785.58 : x
  2. Step 2: Convert to fraction form
    207,756,800/286,704,663.02 = 113,679,785.58/x
  3. Step 3: Cross multiply
    207,756,800x = 286,704,663.02 × 113,679,785.58
  4. Step 4: Simplify right side
    207,756,800x = 32,592,524,616,899,752
  5. Step 5: Solve for x
    x = 32,592,524,616,899,752/207,756,800
  6. Step 6: Final answer
    x = 156,878,256.77

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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.