Finding the Fourth Proportional to 70,774,895.06, 97,619,043.73 and 47,241,566.74
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Solution
The fourth proportional to 70,774,895.06, 97,619,043.73 and 47,241,566.74 is: 65,159,779.69
Step by Step Solution
- Step 1: Write the proportion equation
70,774,895.06 : 97,619,043.73 = 47,241,566.74 : x - Step 2: Convert to fraction form
70,774,895.06/97,619,043.73 = 47,241,566.74/x - Step 3: Cross multiply
70,774,895.06x = 97,619,043.73 × 47,241,566.74 - Step 4: Simplify right side
70,774,895.06x = 4,611,676,569,832,776 - Step 5: Solve for x
x = 4,611,676,569,832,776/70,774,895.06 - Step 6: Final answer
x = 65,159,779.69
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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.