Home / 209,953,792.60-314,930,688.90-118,120,787.80

Finding the Fourth Proportional to 209,953,792.60, 314,930,688.90 and 118,120,787.80

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Solution

The fourth proportional to 209,953,792.60, 314,930,688.90 and 118,120,787.80 is: 177,181,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,792.60 : 314,930,688.90 = 118,120,787.80 : x
  2. Step 2: Convert to fraction form
    209,953,792.60/314,930,688.90 = 118,120,787.80/x
  3. Step 3: Cross multiply
    209,953,792.60x = 314,930,688.90 × 118,120,787.80
  4. Step 4: Simplify right side
    209,953,792.60x = 37,199,861,075,264,712
  5. Step 5: Solve for x
    x = 37,199,861,075,264,712/209,953,792.60
  6. Step 6: Final answer
    x = 177,181,181.70

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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.