Finding the Fourth Proportional to 76,834,071.05, 106,028,763.68 and 42,026,008.68
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Solution
The fourth proportional to 76,834,071.05, 106,028,763.68 and 42,026,008.68 is: 57,994,658.91
Step by Step Solution
- Step 1: Write the proportion equation
76,834,071.05 : 106,028,763.68 = 42,026,008.68 : x - Step 2: Convert to fraction form
76,834,071.05/106,028,763.68 = 42,026,008.68/x - Step 3: Cross multiply
76,834,071.05x = 106,028,763.68 × 42,026,008.68 - Step 4: Simplify right side
76,834,071.05x = 4,455,965,742,850,414 - Step 5: Solve for x
x = 4,455,965,742,850,414/76,834,071.05 - Step 6: Final answer
x = 57,994,658.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.