Home / 210,692,640.79-290,753,702.76-116,606,970.71

Finding the Fourth Proportional to 210,692,640.79, 290,753,702.76 and 116,606,970.71

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Solution

The fourth proportional to 210,692,640.79, 290,753,702.76 and 116,606,970.71 is: 160,916,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,692,640.79 : 290,753,702.76 = 116,606,970.71 : x
  2. Step 2: Convert to fraction form
    210,692,640.79/290,753,702.76 = 116,606,970.71/x
  3. Step 3: Cross multiply
    210,692,640.79x = 290,753,702.76 × 116,606,970.71
  4. Step 4: Simplify right side
    210,692,640.79x = 33,903,908,501,633,200
  5. Step 5: Solve for x
    x = 33,903,908,501,633,200/210,692,640.79
  6. Step 6: Final answer
    x = 160,916,434.36

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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.