Home / 320,365,407.71-480,594,161.15-99,054,006.80

Finding the Fourth Proportional to 320,365,407.71, 480,594,161.15 and 99,054,006.80

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Solution

The fourth proportional to 320,365,407.71, 480,594,161.15 and 99,054,006.80 is: 148,595,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,365,407.71 : 480,594,161.15 = 99,054,006.80 : x
  2. Step 2: Convert to fraction form
    320,365,407.71/480,594,161.15 = 99,054,006.80/x
  3. Step 3: Cross multiply
    320,365,407.71x = 480,594,161.15 × 99,054,006.80
  4. Step 4: Simplify right side
    320,365,407.71x = 47,604,777,303,694,152
  5. Step 5: Solve for x
    x = 47,604,777,303,694,152/320,365,407.71
  6. Step 6: Final answer
    x = 148,595,248.30

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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.