Home / 210,237,275.23-290,118,658.04-120,922,427.18

Finding the Fourth Proportional to 210,237,275.23, 290,118,658.04 and 120,922,427.18

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Solution

The fourth proportional to 210,237,275.23, 290,118,658.04 and 120,922,427.18 is: 166,867,898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,237,275.23 : 290,118,658.04 = 120,922,427.18 : x
  2. Step 2: Convert to fraction form
    210,237,275.23/290,118,658.04 = 120,922,427.18/x
  3. Step 3: Cross multiply
    210,237,275.23x = 290,118,658.04 × 120,922,427.18
  4. Step 4: Simplify right side
    210,237,275.23x = 35,081,852,301,656,160
  5. Step 5: Solve for x
    x = 35,081,852,301,656,160/210,237,275.23
  6. Step 6: Final answer
    x = 166,867,898.49

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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.