Home / 210,371,953.05-315,557,924.72-57,018,006.45

Finding the Fourth Proportional to 210,371,953.05, 315,557,924.72 and 57,018,006.45

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Solution

The fourth proportional to 210,371,953.05, 315,557,924.72 and 57,018,006.45 is: 85,527,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,371,953.05 : 315,557,924.72 = 57,018,006.45 : x
  2. Step 2: Convert to fraction form
    210,371,953.05/315,557,924.72 = 57,018,006.45/x
  3. Step 3: Cross multiply
    210,371,953.05x = 315,557,924.72 × 57,018,006.45
  4. Step 4: Simplify right side
    210,371,953.05x = 17,992,483,786,748,484
  5. Step 5: Solve for x
    x = 17,992,483,786,748,484/210,371,953.05
  6. Step 6: Final answer
    x = 85,527,008.36

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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.