Home / 66,575,977.60-99,863,966.40-46,403,996.80

Finding the Fourth Proportional to 66,575,977.60, 99,863,966.40 and 46,403,996.80

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Solution

The fourth proportional to 66,575,977.60, 99,863,966.40 and 46,403,996.80 is: 69,605,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,575,977.60 : 99,863,966.40 = 46,403,996.80 : x
  2. Step 2: Convert to fraction form
    66,575,977.60/99,863,966.40 = 46,403,996.80/x
  3. Step 3: Cross multiply
    66,575,977.60x = 99,863,966.40 × 46,403,996.80
  4. Step 4: Simplify right side
    66,575,977.60x = 4,634,087,177,260,907
  5. Step 5: Solve for x
    x = 4,634,087,177,260,907/66,575,977.60
  6. Step 6: Final answer
    x = 69,605,995.20

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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.