Home / 74,890,742.40-112,210,142.40-64,057,219.20

Finding the Fourth Proportional to 74,890,742.40, 112,210,142.40 and 64,057,219.20

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Solution

The fourth proportional to 74,890,742.40, 112,210,142.40 and 64,057,219.20 is: 95,978,080.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,890,742.40 : 112,210,142.40 = 64,057,219.20 : x
  2. Step 2: Convert to fraction form
    74,890,742.40/112,210,142.40 = 64,057,219.20/x
  3. Step 3: Cross multiply
    74,890,742.40x = 112,210,142.40 × 64,057,219.20
  4. Step 4: Simplify right side
    74,890,742.40x = 7,187,869,688,180,015
  5. Step 5: Solve for x
    x = 7,187,869,688,180,015/74,890,742.40
  6. Step 6: Final answer
    x = 95,978,080.31

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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.