Finding the Fourth Proportional to 77,220,186.45, 106,565,938.52 and 45,432,575.00
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Solution
The fourth proportional to 77,220,186.45, 106,565,938.52 and 45,432,575.00 is: 62,698,177.99
Step by Step Solution
- Step 1: Write the proportion equation
77,220,186.45 : 106,565,938.52 = 45,432,575.00 : x - Step 2: Convert to fraction form
77,220,186.45/106,565,938.52 = 45,432,575.00/x - Step 3: Cross multiply
77,220,186.45x = 106,565,938.52 × 45,432,575.00 - Step 4: Simplify right side
77,220,186.45x = 4,841,564,994,294,541 - Step 5: Solve for x
x = 4,841,564,994,294,541/77,220,186.45 - Step 6: Final answer
x = 62,698,177.99
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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.