Home / 105,185,888.90-157,778,830.92-28,508,915.60

Finding the Fourth Proportional to 105,185,888.90, 157,778,830.92 and 28,508,915.60

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Solution

The fourth proportional to 105,185,888.90, 157,778,830.92 and 28,508,915.60 is: 42,763,372.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,185,888.90 : 157,778,830.92 = 28,508,915.60 : x
  2. Step 2: Convert to fraction form
    105,185,888.90/157,778,830.92 = 28,508,915.60/x
  3. Step 3: Cross multiply
    105,185,888.90x = 157,778,830.92 × 28,508,915.60
  4. Step 4: Simplify right side
    105,185,888.90x = 4,498,103,374,164,950
  5. Step 5: Solve for x
    x = 4,498,103,374,164,950/105,185,888.90
  6. Step 6: Final answer
    x = 42,763,372.74

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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.