Home / 217,808,672.50-300,574,303.91-118,689,113.39

Finding the Fourth Proportional to 217,808,672.50, 300,574,303.91 and 118,689,113.39

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Solution

The fourth proportional to 217,808,672.50, 300,574,303.91 and 118,689,113.39 is: 163,790,069.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,808,672.50 : 300,574,303.91 = 118,689,113.39 : x
  2. Step 2: Convert to fraction form
    217,808,672.50/300,574,303.91 = 118,689,113.39/x
  3. Step 3: Cross multiply
    217,808,672.50x = 300,574,303.91 × 118,689,113.39
  4. Step 4: Simplify right side
    217,808,672.50x = 35,674,897,638,300,860
  5. Step 5: Solve for x
    x = 35,674,897,638,300,860/217,808,672.50
  6. Step 6: Final answer
    x = 163,790,069.65

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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.