Finding the Fourth Proportional to 81,257,536.06, 121,860,699.33 and 26,657,398.28
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Solution
The fourth proportional to 81,257,536.06, 121,860,699.33 and 26,657,398.28 is: 39,977,697.51
Step by Step Solution
- Step 1: Write the proportion equation
81,257,536.06 : 121,860,699.33 = 26,657,398.28 : x - Step 2: Convert to fraction form
81,257,536.06/121,860,699.33 = 26,657,398.28/x - Step 3: Cross multiply
81,257,536.06x = 121,860,699.33 × 26,657,398.28 - Step 4: Simplify right side
81,257,536.06x = 3,248,489,196,973,674.50 - Step 5: Solve for x
x = 3,248,489,196,973,674.50/81,257,536.06 - Step 6: Final answer
x = 39,977,697.51
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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.