Home / 54,459,138.15-81,688,707.23-28,886,984.55

Finding the Fourth Proportional to 54,459,138.15, 81,688,707.23 and 28,886,984.55

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Solution

The fourth proportional to 54,459,138.15, 81,688,707.23 and 28,886,984.55 is: 43,330,476.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,459,138.15 : 81,688,707.23 = 28,886,984.55 : x
  2. Step 2: Convert to fraction form
    54,459,138.15/81,688,707.23 = 28,886,984.55/x
  3. Step 3: Cross multiply
    54,459,138.15x = 81,688,707.23 × 28,886,984.55
  4. Step 4: Simplify right side
    54,459,138.15x = 2,359,740,423,518,048.50
  5. Step 5: Solve for x
    x = 2,359,740,423,518,048.50/54,459,138.15
  6. Step 6: Final answer
    x = 43,330,476.83

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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.