Home / 177,155,911.20-265,733,866.80-133,506,890.40

Finding the Fourth Proportional to 177,155,911.20, 265,733,866.80 and 133,506,890.40

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Solution

The fourth proportional to 177,155,911.20, 265,733,866.80 and 133,506,890.40 is: 200,260,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,155,911.20 : 265,733,866.80 = 133,506,890.40 : x
  2. Step 2: Convert to fraction form
    177,155,911.20/265,733,866.80 = 133,506,890.40/x
  3. Step 3: Cross multiply
    177,155,911.20x = 265,733,866.80 × 133,506,890.40
  4. Step 4: Simplify right side
    177,155,911.20x = 35,477,302,230,435,800
  5. Step 5: Solve for x
    x = 35,477,302,230,435,800/177,155,911.20
  6. Step 6: Final answer
    x = 200,260,335.60

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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.