Home / 74,829,583.69-102,514,826.30-72,031,838.73

Finding the Fourth Proportional to 74,829,583.69, 102,514,826.30 and 72,031,838.73

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Solution

The fourth proportional to 74,829,583.69, 102,514,826.30 and 72,031,838.73 is: 98,681,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,829,583.69 : 102,514,826.30 = 72,031,838.73 : x
  2. Step 2: Convert to fraction form
    74,829,583.69/102,514,826.30 = 72,031,838.73/x
  3. Step 3: Cross multiply
    74,829,583.69x = 102,514,826.30 × 72,031,838.73
  4. Step 4: Simplify right side
    74,829,583.69x = 7,384,331,435,655,642
  5. Step 5: Solve for x
    x = 7,384,331,435,655,642/74,829,583.69
  6. Step 6: Final answer
    x = 98,681,979.40

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.