Home / 191,583,390.02-287,178,765.60-145,427,550.58

Finding the Fourth Proportional to 191,583,390.02, 287,178,765.60 and 145,427,550.58

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Solution

The fourth proportional to 191,583,390.02, 287,178,765.60 and 145,427,550.58 is: 217,992,303.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,583,390.02 : 287,178,765.60 = 145,427,550.58 : x
  2. Step 2: Convert to fraction form
    191,583,390.02/287,178,765.60 = 145,427,550.58/x
  3. Step 3: Cross multiply
    191,583,390.02x = 287,178,765.60 × 145,427,550.58
  4. Step 4: Simplify right side
    191,583,390.02x = 41,763,704,459,795,968
  5. Step 5: Solve for x
    x = 41,763,704,459,795,968/191,583,390.02
  6. Step 6: Final answer
    x = 217,992,303.28

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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.