Home / 193,075,749.60-289,620,622.80-56,774,911.20

Finding the Fourth Proportional to 193,075,749.60, 289,620,622.80 and 56,774,911.20

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Solution

The fourth proportional to 193,075,749.60, 289,620,622.80 and 56,774,911.20 is: 85,164,424.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,075,749.60 : 289,620,622.80 = 56,774,911.20 : x
  2. Step 2: Convert to fraction form
    193,075,749.60/289,620,622.80 = 56,774,911.20/x
  3. Step 3: Cross multiply
    193,075,749.60x = 289,620,622.80 × 56,774,911.20
  4. Step 4: Simplify right side
    193,075,749.60x = 16,443,185,141,158,696
  5. Step 5: Solve for x
    x = 16,443,185,141,158,696/193,075,749.60
  6. Step 6: Final answer
    x = 85,164,424.72

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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.