Home / 66,051,005.10-99,076,507.65-55,847,337.90

Finding the Fourth Proportional to 66,051,005.10, 99,076,507.65 and 55,847,337.90

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Solution

The fourth proportional to 66,051,005.10, 99,076,507.65 and 55,847,337.90 is: 83,771,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051,005.10 : 99,076,507.65 = 55,847,337.90 : x
  2. Step 2: Convert to fraction form
    66,051,005.10/99,076,507.65 = 55,847,337.90/x
  3. Step 3: Cross multiply
    66,051,005.10x = 99,076,507.65 × 55,847,337.90
  4. Step 4: Simplify right side
    66,051,005.10x = 5,533,159,200,681,485
  5. Step 5: Solve for x
    x = 5,533,159,200,681,485/66,051,005.10
  6. Step 6: Final answer
    x = 83,771,006.85

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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.