Home / 66,051,008.10-99,076,512.15-55,847,340.90

Finding the Fourth Proportional to 66,051,008.10, 99,076,512.15 and 55,847,340.90

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Solution

The fourth proportional to 66,051,008.10, 99,076,512.15 and 55,847,340.90 is: 83,771,011.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051,008.10 : 99,076,512.15 = 55,847,340.90 : x
  2. Step 2: Convert to fraction form
    66,051,008.10/99,076,512.15 = 55,847,340.90/x
  3. Step 3: Cross multiply
    66,051,008.10x = 99,076,512.15 × 55,847,340.90
  4. Step 4: Simplify right side
    66,051,008.10x = 5,533,159,749,224,042
  5. Step 5: Solve for x
    x = 5,533,159,749,224,042/66,051,008.10
  6. Step 6: Final answer
    x = 83,771,011.35

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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.