Home / 180,249,756.72-248,755,089.21-100,864,125.29

Finding the Fourth Proportional to 180,249,756.72, 248,755,089.21 and 100,864,125.29

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Solution

The fourth proportional to 180,249,756.72, 248,755,089.21 and 100,864,125.29 is: 139,198,326.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,249,756.72 : 248,755,089.21 = 100,864,125.29 : x
  2. Step 2: Convert to fraction form
    180,249,756.72/248,755,089.21 = 100,864,125.29/x
  3. Step 3: Cross multiply
    180,249,756.72x = 248,755,089.21 × 100,864,125.29
  4. Step 4: Simplify right side
    180,249,756.72x = 25,090,464,484,846,216
  5. Step 5: Solve for x
    x = 25,090,464,484,846,216/180,249,756.72
  6. Step 6: Final answer
    x = 139,198,326.49

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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.