Home / 210,721,198,897.77-290,787,730,543.08-119,267,786,189.09

Finding the Fourth Proportional to 210,721,198,897.77, 290,787,730,543.08 and 119,267,786,189.09

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Solution

The fourth proportional to 210,721,198,897.77, 290,787,730,543.08 and 119,267,786,189.09 is: 164,585,286,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,721,198,897.77 : 290,787,730,543.08 = 119,267,786,189.09 : x
  2. Step 2: Convert to fraction form
    210,721,198,897.77/290,787,730,543.08 = 119,267,786,189.09/x
  3. Step 3: Cross multiply
    210,721,198,897.77x = 290,787,730,543.08 × 119,267,786,189.09
  4. Step 4: Simplify right side
    210,721,198,897.77x = 34,681,608,872,822,780,723,200
  5. Step 5: Solve for x
    x = 34,681,608,872,822,780,723,200/210,721,198,897.77
  6. Step 6: Final answer
    x = 164,585,286,407.98

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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.