Home / 46,656,005.20-69,984,007.80-42,191,900.80

Finding the Fourth Proportional to 46,656,005.20, 69,984,007.80 and 42,191,900.80

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Solution

The fourth proportional to 46,656,005.20, 69,984,007.80 and 42,191,900.80 is: 63,287,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,656,005.20 : 69,984,007.80 = 42,191,900.80 : x
  2. Step 2: Convert to fraction form
    46,656,005.20/69,984,007.80 = 42,191,900.80/x
  3. Step 3: Cross multiply
    46,656,005.20x = 69,984,007.80 × 42,191,900.80
  4. Step 4: Simplify right side
    46,656,005.20x = 2,952,758,314,684,026
  5. Step 5: Solve for x
    x = 2,952,758,314,684,026/46,656,005.20
  6. Step 6: Final answer
    x = 63,287,851.20

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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.