Home / 217,808,673.50-300,574,305.28-118,689,114.39

Finding the Fourth Proportional to 217,808,673.50, 300,574,305.28 and 118,689,114.39

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Solution

The fourth proportional to 217,808,673.50, 300,574,305.28 and 118,689,114.39 is: 163,790,071.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,808,673.50 : 300,574,305.28 = 118,689,114.39 : x
  2. Step 2: Convert to fraction form
    217,808,673.50/300,574,305.28 = 118,689,114.39/x
  3. Step 3: Cross multiply
    217,808,673.50x = 300,574,305.28 × 118,689,114.39
  4. Step 4: Simplify right side
    217,808,673.50x = 35,674,898,102,072,696
  5. Step 5: Solve for x
    x = 35,674,898,102,072,696/217,808,673.50
  6. Step 6: Final answer
    x = 163,790,071.02

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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.