Home / 72,701,323.16-100,326,211.28-40,106,266.52

Finding the Fourth Proportional to 72,701,323.16, 100,326,211.28 and 40,106,266.52

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Solution

The fourth proportional to 72,701,323.16, 100,326,211.28 and 40,106,266.52 is: 55,345,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,701,323.16 : 100,326,211.28 = 40,106,266.52 : x
  2. Step 2: Convert to fraction form
    72,701,323.16/100,326,211.28 = 40,106,266.52/x
  3. Step 3: Cross multiply
    72,701,323.16x = 100,326,211.28 × 40,106,266.52
  4. Step 4: Simplify right side
    72,701,323.16x = 4,023,709,768,537,510.50
  5. Step 5: Solve for x
    x = 4,023,709,768,537,510.50/72,701,323.16
  6. Step 6: Final answer
    x = 55,345,757.05

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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.