Home / 145,900,106.39-201,346,919.85-79,819,071.71

Finding the Fourth Proportional to 145,900,106.39, 201,346,919.85 and 79,819,071.71

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Solution

The fourth proportional to 145,900,106.39, 201,346,919.85 and 79,819,071.71 is: 110,152,930.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,900,106.39 : 201,346,919.85 = 79,819,071.71 : x
  2. Step 2: Convert to fraction form
    145,900,106.39/201,346,919.85 = 79,819,071.71/x
  3. Step 3: Cross multiply
    145,900,106.39x = 201,346,919.85 × 79,819,071.71
  4. Step 4: Simplify right side
    145,900,106.39x = 16,071,324,233,088,038
  5. Step 5: Solve for x
    x = 16,071,324,233,088,038/145,900,106.39
  6. Step 6: Final answer
    x = 110,152,930.19

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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.