Home / 79,340,822.10-118,956,901.50-40,403,903.25

Finding the Fourth Proportional to 79,340,822.10, 118,956,901.50 and 40,403,903.25

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Solution

The fourth proportional to 79,340,822.10, 118,956,901.50 and 40,403,903.25 is: 60,578,186.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,340,822.10 : 118,956,901.50 = 40,403,903.25 : x
  2. Step 2: Convert to fraction form
    79,340,822.10/118,956,901.50 = 40,403,903.25/x
  3. Step 3: Cross multiply
    79,340,822.10x = 118,956,901.50 × 40,403,903.25
  4. Step 4: Simplify right side
    79,340,822.10x = 4,806,323,139,125,780
  5. Step 5: Solve for x
    x = 4,806,323,139,125,780/79,340,822.10
  6. Step 6: Final answer
    x = 60,578,186.76

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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.