Home / 72,705,778.02-100,333,495.53-41,343,829.74

Finding the Fourth Proportional to 72,705,778.02, 100,333,495.53 and 41,343,829.74

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Solution

The fourth proportional to 72,705,778.02, 100,333,495.53 and 41,343,829.74 is: 57,054,213.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,705,778.02 : 100,333,495.53 = 41,343,829.74 : x
  2. Step 2: Convert to fraction form
    72,705,778.02/100,333,495.53 = 41,343,829.74/x
  3. Step 3: Cross multiply
    72,705,778.02x = 100,333,495.53 × 41,343,829.74
  4. Step 4: Simplify right side
    72,705,778.02x = 4,148,170,956,411,371.50
  5. Step 5: Solve for x
    x = 4,148,170,956,411,371.50/72,705,778.02
  6. Step 6: Final answer
    x = 57,054,213.15

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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.