Home / 188,984,916.60-283,477,374.90-127,762,913.40

Finding the Fourth Proportional to 188,984,916.60, 283,477,374.90 and 127,762,913.40

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Solution

The fourth proportional to 188,984,916.60, 283,477,374.90 and 127,762,913.40 is: 191,644,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,984,916.60 : 283,477,374.90 = 127,762,913.40 : x
  2. Step 2: Convert to fraction form
    188,984,916.60/283,477,374.90 = 127,762,913.40/x
  3. Step 3: Cross multiply
    188,984,916.60x = 283,477,374.90 × 127,762,913.40
  4. Step 4: Simplify right side
    188,984,916.60x = 36,217,895,300,208,032
  5. Step 5: Solve for x
    x = 36,217,895,300,208,032/188,984,916.60
  6. Step 6: Final answer
    x = 191,644,370.10

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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.