Home / 103,630,551.60-155,445,827.40-31,817,636.40

Finding the Fourth Proportional to 103,630,551.60, 155,445,827.40 and 31,817,636.40

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Solution

The fourth proportional to 103,630,551.60, 155,445,827.40 and 31,817,636.40 is: 47,726,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,630,551.60 : 155,445,827.40 = 31,817,636.40 : x
  2. Step 2: Convert to fraction form
    103,630,551.60/155,445,827.40 = 31,817,636.40/x
  3. Step 3: Cross multiply
    103,630,551.60x = 155,445,827.40 × 31,817,636.40
  4. Step 4: Simplify right side
    103,630,551.60x = 4,945,918,816,110,357
  5. Step 5: Solve for x
    x = 4,945,918,816,110,357/103,630,551.60
  6. Step 6: Final answer
    x = 47,726,454.60

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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.