Home / 145,900,104.89-201,346,917.78-79,819,070.21

Finding the Fourth Proportional to 145,900,104.89, 201,346,917.78 and 79,819,070.21

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Solution

The fourth proportional to 145,900,104.89, 201,346,917.78 and 79,819,070.21 is: 110,152,928.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,900,104.89 : 201,346,917.78 = 79,819,070.21 : x
  2. Step 2: Convert to fraction form
    145,900,104.89/201,346,917.78 = 79,819,070.21/x
  3. Step 3: Cross multiply
    145,900,104.89x = 201,346,917.78 × 79,819,070.21
  4. Step 4: Simplify right side
    145,900,104.89x = 16,071,323,765,842,182
  5. Step 5: Solve for x
    x = 16,071,323,765,842,182/145,900,104.89
  6. Step 6: Final answer
    x = 110,152,928.12

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1.5x scale

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.