Home / 81,209,253.48-112,069,632.42-44,039,606.28

Finding the Fourth Proportional to 81,209,253.48, 112,069,632.42 and 44,039,606.28

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Solution

The fourth proportional to 81,209,253.48, 112,069,632.42 and 44,039,606.28 is: 60,775,124.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,209,253.48 : 112,069,632.42 = 44,039,606.28 : x
  2. Step 2: Convert to fraction form
    81,209,253.48/112,069,632.42 = 44,039,606.28/x
  3. Step 3: Cross multiply
    81,209,253.48x = 112,069,632.42 × 44,039,606.28
  4. Step 4: Simplify right side
    81,209,253.48x = 4,935,502,487,721,124
  5. Step 5: Solve for x
    x = 4,935,502,487,721,124/81,209,253.48
  6. Step 6: Final answer
    x = 60,775,124.46

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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.