Home / 79,749,822.81-110,075,230.77-51,941,826.21

Finding the Fourth Proportional to 79,749,822.81, 110,075,230.77 and 51,941,826.21

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Solution

The fourth proportional to 79,749,822.81, 110,075,230.77 and 51,941,826.21 is: 71,693,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,749,822.81 : 110,075,230.77 = 51,941,826.21 : x
  2. Step 2: Convert to fraction form
    79,749,822.81/110,075,230.77 = 51,941,826.21/x
  3. Step 3: Cross multiply
    79,749,822.81x = 110,075,230.77 × 51,941,826.21
  4. Step 4: Simplify right side
    79,749,822.81x = 5,717,508,506,680,984
  5. Step 5: Solve for x
    x = 5,717,508,506,680,984/79,749,822.81
  6. Step 6: Final answer
    x = 71,693,055.92

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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.