Home / 191,983,533.03-287,988,069.21-67,471,102.74

Finding the Fourth Proportional to 191,983,533.03, 287,988,069.21 and 67,471,102.74

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Solution

The fourth proportional to 191,983,533.03, 287,988,069.21 and 67,471,102.74 is: 101,211,141.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,983,533.03 : 287,988,069.21 = 67,471,102.74 : x
  2. Step 2: Convert to fraction form
    191,983,533.03/287,988,069.21 = 67,471,102.74/x
  3. Step 3: Cross multiply
    191,983,533.03x = 287,988,069.21 × 67,471,102.74
  4. Step 4: Simplify right side
    191,983,533.03x = 19,430,872,605,562,136
  5. Step 5: Solve for x
    x = 19,430,872,605,562,136/191,983,533.03
  6. Step 6: Final answer
    x = 101,211,141.91

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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.