Home / 61,152,010.60-91,728,015.90-56,475,329.80

Finding the Fourth Proportional to 61,152,010.60, 91,728,015.90 and 56,475,329.80

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Solution

The fourth proportional to 61,152,010.60, 91,728,015.90 and 56,475,329.80 is: 84,712,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,152,010.60 : 91,728,015.90 = 56,475,329.80 : x
  2. Step 2: Convert to fraction form
    61,152,010.60/91,728,015.90 = 56,475,329.80/x
  3. Step 3: Cross multiply
    61,152,010.60x = 91,728,015.90 × 56,475,329.80
  4. Step 4: Simplify right side
    61,152,010.60x = 5,180,369,949,852,144
  5. Step 5: Solve for x
    x = 5,180,369,949,852,144/61,152,010.60
  6. Step 6: Final answer
    x = 84,712,994.70

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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.