Finding the Fourth Proportional to 139,341,554.99, 208,895,415.42 and 61,605,908.45
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Solution
The fourth proportional to 139,341,554.99, 208,895,415.42 and 61,605,908.45 is: 92,357,171.12
Step by Step Solution
- Step 1: Write the proportion equation
139,341,554.99 : 208,895,415.42 = 61,605,908.45 : x - Step 2: Convert to fraction form
139,341,554.99/208,895,415.42 = 61,605,908.45/x - Step 3: Cross multiply
139,341,554.99x = 208,895,415.42 × 61,605,908.45 - Step 4: Simplify right side
139,341,554.99x = 12,869,191,837,989,238 - Step 5: Solve for x
x = 12,869,191,837,989,238/139,341,554.99 - Step 6: Final answer
x = 92,357,171.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.