Home / 66,570,890.40-99,856,335.60-16,140,938.40

Finding the Fourth Proportional to 66,570,890.40, 99,856,335.60 and 16,140,938.40

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Solution

The fourth proportional to 66,570,890.40, 99,856,335.60 and 16,140,938.40 is: 24,211,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,570,890.40 : 99,856,335.60 = 16,140,938.40 : x
  2. Step 2: Convert to fraction form
    66,570,890.40/99,856,335.60 = 16,140,938.40/x
  3. Step 3: Cross multiply
    66,570,890.40x = 99,856,335.60 × 16,140,938.40
  4. Step 4: Simplify right side
    66,570,890.40x = 1,611,774,961,769,327
  5. Step 5: Solve for x
    x = 1,611,774,961,769,327/66,570,890.40
  6. Step 6: Final answer
    x = 24,211,407.60

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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.