Home / 213,899,461,215.80-320,849,191,823.70-114,719,816,031.80

Finding the Fourth Proportional to 213,899,461,215.80, 320,849,191,823.70 and 114,719,816,031.80

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Solution

The fourth proportional to 213,899,461,215.80, 320,849,191,823.70 and 114,719,816,031.80 is: 172,079,724,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,899,461,215.80 : 320,849,191,823.70 = 114,719,816,031.80 : x
  2. Step 2: Convert to fraction form
    213,899,461,215.80/320,849,191,823.70 = 114,719,816,031.80/x
  3. Step 3: Cross multiply
    213,899,461,215.80x = 320,849,191,823.70 × 114,719,816,031.80
  4. Step 4: Simplify right side
    213,899,461,215.80x = 36,807,760,259,966,576,885,760
  5. Step 5: Solve for x
    x = 36,807,760,259,966,576,885,760/213,899,461,215.80
  6. Step 6: Final answer
    x = 172,079,724,047.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.