Home / 124,416,159.40-186,624,239.10-76,043,218.60

Finding the Fourth Proportional to 124,416,159.40, 186,624,239.10 and 76,043,218.60

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Solution

The fourth proportional to 124,416,159.40, 186,624,239.10 and 76,043,218.60 is: 114,064,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,159.40 : 186,624,239.10 = 76,043,218.60 : x
  2. Step 2: Convert to fraction form
    124,416,159.40/186,624,239.10 = 76,043,218.60/x
  3. Step 3: Cross multiply
    124,416,159.40x = 186,624,239.10 × 76,043,218.60
  4. Step 4: Simplify right side
    124,416,159.40x = 14,191,507,809,939,966
  5. Step 5: Solve for x
    x = 14,191,507,809,939,966/124,416,159.40
  6. Step 6: Final answer
    x = 114,064,827.90

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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.