Home / 124,810,970.40-187,216,455.60-56,786,522.40

Finding the Fourth Proportional to 124,810,970.40, 187,216,455.60 and 56,786,522.40

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Solution

The fourth proportional to 124,810,970.40, 187,216,455.60 and 56,786,522.40 is: 85,179,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,810,970.40 : 187,216,455.60 = 56,786,522.40 : x
  2. Step 2: Convert to fraction form
    124,810,970.40/187,216,455.60 = 56,786,522.40/x
  3. Step 3: Cross multiply
    124,810,970.40x = 187,216,455.60 × 56,786,522.40
  4. Step 4: Simplify right side
    124,810,970.40x = 10,631,371,449,578,004
  5. Step 5: Solve for x
    x = 10,631,371,449,578,004/124,810,970.40
  6. Step 6: Final answer
    x = 85,179,783.60

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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.