Home / 119,232,005.40-178,848,008.10-38,461,138.20

Finding the Fourth Proportional to 119,232,005.40, 178,848,008.10 and 38,461,138.20

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Solution

The fourth proportional to 119,232,005.40, 178,848,008.10 and 38,461,138.20 is: 57,691,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,232,005.40 : 178,848,008.10 = 38,461,138.20 : x
  2. Step 2: Convert to fraction form
    119,232,005.40/178,848,008.10 = 38,461,138.20/x
  3. Step 3: Cross multiply
    119,232,005.40x = 178,848,008.10 × 38,461,138.20
  4. Step 4: Simplify right side
    119,232,005.40x = 6,878,697,956,328,820
  5. Step 5: Solve for x
    x = 6,878,697,956,328,820/119,232,005.40
  6. Step 6: Final answer
    x = 57,691,707.30

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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.