Home / 74,169,969.60-111,254,954.40-70,390,833.60

Finding the Fourth Proportional to 74,169,969.60, 111,254,954.40 and 70,390,833.60

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Solution

The fourth proportional to 74,169,969.60, 111,254,954.40 and 70,390,833.60 is: 105,586,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,169,969.60 : 111,254,954.40 = 70,390,833.60 : x
  2. Step 2: Convert to fraction form
    74,169,969.60/111,254,954.40 = 70,390,833.60/x
  3. Step 3: Cross multiply
    74,169,969.60x = 111,254,954.40 × 70,390,833.60
  4. Step 4: Simplify right side
    74,169,969.60x = 7,831,328,982,345,988
  5. Step 5: Solve for x
    x = 7,831,328,982,345,988/74,169,969.60
  6. Step 6: Final answer
    x = 105,586,250.40

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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.