Home / 105,788,768.20-158,683,152.30-98,136,017.80

Finding the Fourth Proportional to 105,788,768.20, 158,683,152.30 and 98,136,017.80

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Solution

The fourth proportional to 105,788,768.20, 158,683,152.30 and 98,136,017.80 is: 147,204,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,788,768.20 : 158,683,152.30 = 98,136,017.80 : x
  2. Step 2: Convert to fraction form
    105,788,768.20/158,683,152.30 = 98,136,017.80/x
  3. Step 3: Cross multiply
    105,788,768.20x = 158,683,152.30 × 98,136,017.80
  4. Step 4: Simplify right side
    105,788,768.20x = 15,572,532,658,672,912
  5. Step 5: Solve for x
    x = 15,572,532,658,672,912/105,788,768.20
  6. Step 6: Final answer
    x = 147,204,026.70

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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.