Home / 105,072,002.60-157,608,003.90-56,699,061.80

Finding the Fourth Proportional to 105,072,002.60, 157,608,003.90 and 56,699,061.80

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Solution

The fourth proportional to 105,072,002.60, 157,608,003.90 and 56,699,061.80 is: 85,048,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,072,002.60 : 157,608,003.90 = 56,699,061.80 : x
  2. Step 2: Convert to fraction form
    105,072,002.60/157,608,003.90 = 56,699,061.80/x
  3. Step 3: Cross multiply
    105,072,002.60x = 157,608,003.90 × 56,699,061.80
  4. Step 4: Simplify right side
    105,072,002.60x = 8,936,225,953,300,741
  5. Step 5: Solve for x
    x = 8,936,225,953,300,741/105,072,002.60
  6. Step 6: Final answer
    x = 85,048,592.70

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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.