Home / 164,028,298.40-246,023,785.20-42,871,997.60

Finding the Fourth Proportional to 164,028,298.40, 246,023,785.20 and 42,871,997.60

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Solution

The fourth proportional to 164,028,298.40, 246,023,785.20 and 42,871,997.60 is: 64,303,118.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,028,298.40 : 246,023,785.20 = 42,871,997.60 : x
  2. Step 2: Convert to fraction form
    164,028,298.40/246,023,785.20 = 42,871,997.60/x
  3. Step 3: Cross multiply
    164,028,298.40x = 246,023,785.20 × 42,871,997.60
  4. Step 4: Simplify right side
    164,028,298.40x = 10,547,531,128,637,316
  5. Step 5: Solve for x
    x = 10,547,531,128,637,316/164,028,298.40
  6. Step 6: Final answer
    x = 64,303,118.62

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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.