Home / 66,051,010.80-99,076,516.20-65,413,281.60

Finding the Fourth Proportional to 66,051,010.80, 99,076,516.20 and 65,413,281.60

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Solution

The fourth proportional to 66,051,010.80, 99,076,516.20 and 65,413,281.60 is: 98,119,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051,010.80 : 99,076,516.20 = 65,413,281.60 : x
  2. Step 2: Convert to fraction form
    66,051,010.80/99,076,516.20 = 65,413,281.60/x
  3. Step 3: Cross multiply
    66,051,010.80x = 99,076,516.20 × 65,413,281.60
  4. Step 4: Simplify right side
    66,051,010.80x = 6,480,920,054,137,562
  5. Step 5: Solve for x
    x = 6,480,920,054,137,562/66,051,010.80
  6. Step 6: Final answer
    x = 98,119,922.40

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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.