Home / 208,846,812.93-288,191,729.53-120,746,488.13

Finding the Fourth Proportional to 208,846,812.93, 288,191,729.53 and 120,746,488.13

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Solution

The fourth proportional to 208,846,812.93, 288,191,729.53 and 120,746,488.13 is: 166,620,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,846,812.93 : 288,191,729.53 = 120,746,488.13 : x
  2. Step 2: Convert to fraction form
    208,846,812.93/288,191,729.53 = 120,746,488.13/x
  3. Step 3: Cross multiply
    208,846,812.93x = 288,191,729.53 × 120,746,488.13
  4. Step 4: Simplify right side
    208,846,812.93x = 34,798,139,248,649,008
  5. Step 5: Solve for x
    x = 34,798,139,248,649,008/208,846,812.93
  6. Step 6: Final answer
    x = 166,620,398.76

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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.