Home / 209,953,516.60-314,930,274.90-118,120,511.80

Finding the Fourth Proportional to 209,953,516.60, 314,930,274.90 and 118,120,511.80

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Solution

The fourth proportional to 209,953,516.60, 314,930,274.90 and 118,120,511.80 is: 177,180,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,516.60 : 314,930,274.90 = 118,120,511.80 : x
  2. Step 2: Convert to fraction form
    209,953,516.60/314,930,274.90 = 118,120,511.80/x
  3. Step 3: Cross multiply
    209,953,516.60x = 314,930,274.90 × 118,120,511.80
  4. Step 4: Simplify right side
    209,953,516.60x = 37,199,725,252,502,688
  5. Step 5: Solve for x
    x = 37,199,725,252,502,688/209,953,516.60
  6. Step 6: Final answer
    x = 177,180,767.70

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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.