Finding the Fourth Proportional to 130,160,950.79, 179,621,619.32 and 71,424,598.84
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Solution
The fourth proportional to 130,160,950.79, 179,621,619.32 and 71,424,598.84 is: 98,565,675.99
Step by Step Solution
- Step 1: Write the proportion equation
130,160,950.79 : 179,621,619.32 = 71,424,598.84 : x - Step 2: Convert to fraction form
130,160,950.79/179,621,619.32 = 71,424,598.84/x - Step 3: Cross multiply
130,160,950.79x = 179,621,619.32 × 71,424,598.84 - Step 4: Simplify right side
130,160,950.79x = 12,829,402,101,666,962 - Step 5: Solve for x
x = 12,829,402,101,666,962/130,160,950.79 - Step 6: Final answer
x = 98,565,675.99
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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.