Home / 66,297,931.40-99,446,897.10-60,558,368.60

Finding the Fourth Proportional to 66,297,931.40, 99,446,897.10 and 60,558,368.60

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Solution

The fourth proportional to 66,297,931.40, 99,446,897.10 and 60,558,368.60 is: 90,837,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,297,931.40 : 99,446,897.10 = 60,558,368.60 : x
  2. Step 2: Convert to fraction form
    66,297,931.40/99,446,897.10 = 60,558,368.60/x
  3. Step 3: Cross multiply
    66,297,931.40x = 99,446,897.10 × 60,558,368.60
  4. Step 4: Simplify right side
    66,297,931.40x = 6,022,341,850,708,071
  5. Step 5: Solve for x
    x = 6,022,341,850,708,071/66,297,931.40
  6. Step 6: Final answer
    x = 90,837,552.90

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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.