Home / 134,390,010.40-201,585,015.60-66,365,562.40

Finding the Fourth Proportional to 134,390,010.40, 201,585,015.60 and 66,365,562.40

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Solution

The fourth proportional to 134,390,010.40, 201,585,015.60 and 66,365,562.40 is: 99,548,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,390,010.40 : 201,585,015.60 = 66,365,562.40 : x
  2. Step 2: Convert to fraction form
    134,390,010.40/201,585,015.60 = 66,365,562.40/x
  3. Step 3: Cross multiply
    134,390,010.40x = 201,585,015.60 × 66,365,562.40
  4. Step 4: Simplify right side
    134,390,010.40x = 13,378,302,931,706,772
  5. Step 5: Solve for x
    x = 13,378,302,931,706,772/134,390,010.40
  6. Step 6: Final answer
    x = 99,548,343.60

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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.