Home / 125,036,616.57-187,555,336.56-31,663,536.93

Finding the Fourth Proportional to 125,036,616.57, 187,555,336.56 and 31,663,536.93

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Solution

The fourth proportional to 125,036,616.57, 187,555,336.56 and 31,663,536.93 is: 47,495,409.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,036,616.57 : 187,555,336.56 = 31,663,536.93 : x
  2. Step 2: Convert to fraction form
    125,036,616.57/187,555,336.56 = 31,663,536.93/x
  3. Step 3: Cross multiply
    125,036,616.57x = 187,555,336.56 × 31,663,536.93
  4. Step 4: Simplify right side
    125,036,616.57x = 5,938,665,325,586,139
  5. Step 5: Solve for x
    x = 5,938,665,325,586,139/125,036,616.57
  6. Step 6: Final answer
    x = 47,495,409.65

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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.