Home / 210,793,801.76-290,895,403.76-117,974,299.52

Finding the Fourth Proportional to 210,793,801.76, 290,895,403.76 and 117,974,299.52

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Solution

The fourth proportional to 210,793,801.76, 290,895,403.76 and 117,974,299.52 is: 162,804,509.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,793,801.76 : 290,895,403.76 = 117,974,299.52 : x
  2. Step 2: Convert to fraction form
    210,793,801.76/290,895,403.76 = 117,974,299.52/x
  3. Step 3: Cross multiply
    210,793,801.76x = 290,895,403.76 × 117,974,299.52
  4. Step 4: Simplify right side
    210,793,801.76x = 34,318,181,492,173,572
  5. Step 5: Solve for x
    x = 34,318,181,492,173,572/210,793,801.76
  6. Step 6: Final answer
    x = 162,804,509.46

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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.