Finding the Fourth Proportional to 49,411,679.19, 68,148,357.67 and 43,438,314.04
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Solution
The fourth proportional to 49,411,679.19, 68,148,357.67 and 43,438,314.04 is: 59,909,920.29
Step by Step Solution
- Step 1: Write the proportion equation
49,411,679.19 : 68,148,357.67 = 43,438,314.04 : x - Step 2: Convert to fraction form
49,411,679.19/68,148,357.67 = 43,438,314.04/x - Step 3: Cross multiply
49,411,679.19x = 68,148,357.67 × 43,438,314.04 - Step 4: Simplify right side
49,411,679.19x = 2,960,249,761,779,702.50 - Step 5: Solve for x
x = 2,960,249,761,779,702.50/49,411,679.19 - Step 6: Final answer
x = 59,909,920.29
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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.