Home / 131,044,738.36-180,841,601.64-72,307,400

Finding the Fourth Proportional to 131,044,738.36, 180,841,601.64 and 72,307,400

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Solution

The fourth proportional to 131,044,738.36, 180,841,601.64 and 72,307,400 is: 99,784,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,044,738.36 : 180,841,601.64 = 72,307,400 : x
  2. Step 2: Convert to fraction form
    131,044,738.36/180,841,601.64 = 72,307,400/x
  3. Step 3: Cross multiply
    131,044,738.36x = 180,841,601.64 × 72,307,400
  4. Step 4: Simplify right side
    131,044,738.36x = 13,076,186,026,424,134
  5. Step 5: Solve for x
    x = 13,076,186,026,424,134/131,044,738.36
  6. Step 6: Final answer
    x = 99,784,136.24

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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.