Home / 139,872,885.73-209,763,928.02-46,474,774.89

Finding the Fourth Proportional to 139,872,885.73, 209,763,928.02 and 46,474,774.89

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Solution

The fourth proportional to 139,872,885.73, 209,763,928.02 and 46,474,774.89 is: 69,697,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,872,885.73 : 209,763,928.02 = 46,474,774.89 : x
  2. Step 2: Convert to fraction form
    139,872,885.73/209,763,928.02 = 46,474,774.89/x
  3. Step 3: Cross multiply
    139,872,885.73x = 209,763,928.02 × 46,474,774.89
  4. Step 4: Simplify right side
    139,872,885.73x = 9,748,731,333,810,768
  5. Step 5: Solve for x
    x = 9,748,731,333,810,768/139,872,885.73
  6. Step 6: Final answer
    x = 69,697,077.33

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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.