Home / 216,477,529.41-298,761,256.56-131,710,666.13

Finding the Fourth Proportional to 216,477,529.41, 298,761,256.56 and 131,710,666.13

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Solution

The fourth proportional to 216,477,529.41, 298,761,256.56 and 131,710,666.13 is: 181,774,266.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,477,529.41 : 298,761,256.56 = 131,710,666.13 : x
  2. Step 2: Convert to fraction form
    216,477,529.41/298,761,256.56 = 131,710,666.13/x
  3. Step 3: Cross multiply
    216,477,529.41x = 298,761,256.56 × 131,710,666.13
  4. Step 4: Simplify right side
    216,477,529.41x = 39,350,044,115,473,896
  5. Step 5: Solve for x
    x = 39,350,044,115,473,896/216,477,529.41
  6. Step 6: Final answer
    x = 181,774,266.47

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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.