Home / 46,656,419.40-69,984,629.10-42,688,326.60

Finding the Fourth Proportional to 46,656,419.40, 69,984,629.10 and 42,688,326.60

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Solution

The fourth proportional to 46,656,419.40, 69,984,629.10 and 42,688,326.60 is: 64,032,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,656,419.40 : 69,984,629.10 = 42,688,326.60 : x
  2. Step 2: Convert to fraction form
    46,656,419.40/69,984,629.10 = 42,688,326.60/x
  3. Step 3: Cross multiply
    46,656,419.40x = 69,984,629.10 × 42,688,326.60
  4. Step 4: Simplify right side
    46,656,419.40x = 2,987,526,704,000,664
  5. Step 5: Solve for x
    x = 2,987,526,704,000,664/46,656,419.40
  6. Step 6: Final answer
    x = 64,032,489.90

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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.