Home / 72,701,320.14-100,326,207.14-40,106,263.50

Finding the Fourth Proportional to 72,701,320.14, 100,326,207.14 and 40,106,263.50

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Solution

The fourth proportional to 72,701,320.14, 100,326,207.14 and 40,106,263.50 is: 55,345,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,701,320.14 : 100,326,207.14 = 40,106,263.50 : x
  2. Step 2: Convert to fraction form
    72,701,320.14/100,326,207.14 = 40,106,263.50/x
  3. Step 3: Cross multiply
    72,701,320.14x = 100,326,207.14 × 40,106,263.50
  4. Step 4: Simplify right side
    72,701,320.14x = 4,023,709,299,512,421.50
  5. Step 5: Solve for x
    x = 4,023,709,299,512,421.50/72,701,320.14
  6. Step 6: Final answer
    x = 55,345,752.89

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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.