Home / 137,595,228.03-189,879,011.96-74,869,209.93

Finding the Fourth Proportional to 137,595,228.03, 189,879,011.96 and 74,869,209.93

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Solution

The fourth proportional to 137,595,228.03, 189,879,011.96 and 74,869,209.93 is: 103,318,202.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,595,228.03 : 189,879,011.96 = 74,869,209.93 : x
  2. Step 2: Convert to fraction form
    137,595,228.03/189,879,011.96 = 74,869,209.93/x
  3. Step 3: Cross multiply
    137,595,228.03x = 189,879,011.96 × 74,869,209.93
  4. Step 4: Simplify right side
    137,595,228.03x = 14,216,091,607,359,878
  5. Step 5: Solve for x
    x = 14,216,091,607,359,878/137,595,228.03
  6. Step 6: Final answer
    x = 103,318,202.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.