Home / 353,424,085.60-530,136,128.40-94,679,240.80

Finding the Fourth Proportional to 353,424,085.60, 530,136,128.40 and 94,679,240.80

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Solution

The fourth proportional to 353,424,085.60, 530,136,128.40 and 94,679,240.80 is: 142,018,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,424,085.60 : 530,136,128.40 = 94,679,240.80 : x
  2. Step 2: Convert to fraction form
    353,424,085.60/530,136,128.40 = 94,679,240.80/x
  3. Step 3: Cross multiply
    353,424,085.60x = 530,136,128.40 × 94,679,240.80
  4. Step 4: Simplify right side
    353,424,085.60x = 50,192,886,157,563,312
  5. Step 5: Solve for x
    x = 50,192,886,157,563,312/353,424,085.60
  6. Step 6: Final answer
    x = 142,018,861.20

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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.