Home / 131,849,486.93-181,955,632.73-72,313,153.37

Finding the Fourth Proportional to 131,849,486.93, 181,955,632.73 and 72,313,153.37

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Solution

The fourth proportional to 131,849,486.93, 181,955,632.73 and 72,313,153.37 is: 99,793,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,849,486.93 : 181,955,632.73 = 72,313,153.37 : x
  2. Step 2: Convert to fraction form
    131,849,486.93/181,955,632.73 = 72,313,153.37/x
  3. Step 3: Cross multiply
    131,849,486.93x = 181,955,632.73 × 72,313,153.37
  4. Step 4: Simplify right side
    131,849,486.93x = 13,157,785,574,868,536
  5. Step 5: Solve for x
    x = 13,157,785,574,868,536/131,849,486.93
  6. Step 6: Final answer
    x = 99,793,983.90

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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.