Finding the Fourth Proportional to 67,720,023.21, 93,447,927.01 and 37,545,327.40
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Solution
The fourth proportional to 67,720,023.21, 93,447,927.01 and 37,545,327.40 is: 51,809,388.83
Step by Step Solution
- Step 1: Write the proportion equation
67,720,023.21 : 93,447,927.01 = 37,545,327.40 : x - Step 2: Convert to fraction form
67,720,023.21/93,447,927.01 = 37,545,327.40/x - Step 3: Cross multiply
67,720,023.21x = 93,447,927.01 × 37,545,327.40 - Step 4: Simplify right side
67,720,023.21x = 3,508,533,014,254,026 - Step 5: Solve for x
x = 3,508,533,014,254,026/67,720,023.21 - Step 6: Final answer
x = 51,809,388.83
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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.