Home / 210,793,769.47-290,895,359.30-117,974,267.29

Finding the Fourth Proportional to 210,793,769.47, 290,895,359.30 and 117,974,267.29

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Solution

The fourth proportional to 210,793,769.47, 290,895,359.30 and 117,974,267.29 is: 162,804,465.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,793,769.47 : 290,895,359.30 = 117,974,267.29 : x
  2. Step 2: Convert to fraction form
    210,793,769.47/290,895,359.30 = 117,974,267.29/x
  3. Step 3: Cross multiply
    210,793,769.47x = 290,895,359.30 × 117,974,267.29
  4. Step 4: Simplify right side
    210,793,769.47x = 34,318,166,871,478,792
  5. Step 5: Solve for x
    x = 34,318,166,871,478,792/210,793,769.47
  6. Step 6: Final answer
    x = 162,804,465.04

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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.