Home / 209,953,137.60-314,929,706.40-186,994,886.40

Finding the Fourth Proportional to 209,953,137.60, 314,929,706.40 and 186,994,886.40

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Solution

The fourth proportional to 209,953,137.60, 314,929,706.40 and 186,994,886.40 is: 280,492,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,137.60 : 314,929,706.40 = 186,994,886.40 : x
  2. Step 2: Convert to fraction form
    209,953,137.60/314,929,706.40 = 186,994,886.40/x
  3. Step 3: Cross multiply
    209,953,137.60x = 314,929,706.40 × 186,994,886.40
  4. Step 4: Simplify right side
    209,953,137.60x = 58,890,244,672,253,352
  5. Step 5: Solve for x
    x = 58,890,244,672,253,352/209,953,137.60
  6. Step 6: Final answer
    x = 280,492,329.60

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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.