Home / 42,348,980.80-63,570,710.40-39,573,677.80

Finding the Fourth Proportional to 42,348,980.80, 63,570,710.40 and 39,573,677.80

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Solution

The fourth proportional to 42,348,980.80, 63,570,710.40 and 39,573,677.80 is: 59,404,660.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,348,980.80 : 63,570,710.40 = 39,573,677.80 : x
  2. Step 2: Convert to fraction form
    42,348,980.80/63,570,710.40 = 39,573,677.80/x
  3. Step 3: Cross multiply
    42,348,980.80x = 63,570,710.40 × 39,573,677.80
  4. Step 4: Simplify right side
    42,348,980.80x = 2,515,726,810,886,709
  5. Step 5: Solve for x
    x = 2,515,726,810,886,709/42,348,980.80
  6. Step 6: Final answer
    x = 59,404,660.12

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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.