Home / 198,720,852.36-298,208,824.50-96,429,088.68

Finding the Fourth Proportional to 198,720,852.36, 298,208,824.50 and 96,429,088.68

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Solution

The fourth proportional to 198,720,852.36, 298,208,824.50 and 96,429,088.68 is: 144,705,524.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,720,852.36 : 298,208,824.50 = 96,429,088.68 : x
  2. Step 2: Convert to fraction form
    198,720,852.36/298,208,824.50 = 96,429,088.68/x
  3. Step 3: Cross multiply
    198,720,852.36x = 298,208,824.50 × 96,429,088.68
  4. Step 4: Simplify right side
    198,720,852.36x = 28,756,005,182,869,060
  5. Step 5: Solve for x
    x = 28,756,005,182,869,060/198,720,852.36
  6. Step 6: Final answer
    x = 144,705,524.57

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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.