Finding the Fourth Proportional to 129,536,064.44, 178,754,909.63 and 70,798,252.67
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Solution
The fourth proportional to 129,536,064.44, 178,754,909.63 and 70,798,252.67 is: 97,698,932.82
Step by Step Solution
- Step 1: Write the proportion equation
129,536,064.44 : 178,754,909.63 = 70,798,252.67 : x - Step 2: Convert to fraction form
129,536,064.44/178,754,909.63 = 70,798,252.67/x - Step 3: Cross multiply
129,536,064.44x = 178,754,909.63 × 70,798,252.67 - Step 4: Simplify right side
129,536,064.44x = 12,655,535,256,739,992 - Step 5: Solve for x
x = 12,655,535,256,739,992/129,536,064.44 - Step 6: Final answer
x = 97,698,932.82
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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.