Home / 105,631,408.60-158,447,112.90-48,235,780.60

Finding the Fourth Proportional to 105,631,408.60, 158,447,112.90 and 48,235,780.60

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Solution

The fourth proportional to 105,631,408.60, 158,447,112.90 and 48,235,780.60 is: 72,353,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,631,408.60 : 158,447,112.90 = 48,235,780.60 : x
  2. Step 2: Convert to fraction form
    105,631,408.60/158,447,112.90 = 48,235,780.60/x
  3. Step 3: Cross multiply
    105,631,408.60x = 158,447,112.90 × 48,235,780.60
  4. Step 4: Simplify right side
    105,631,408.60x = 7,642,820,174,547,830
  5. Step 5: Solve for x
    x = 7,642,820,174,547,830/105,631,408.60
  6. Step 6: Final answer
    x = 72,353,670.90

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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.