Finding the Fourth Proportional to 106,406,543.60, 159,609,815.40 and 57,865,641.20
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Solution
The fourth proportional to 106,406,543.60, 159,609,815.40 and 57,865,641.20 is: 86,798,461.80
Step by Step Solution
- Step 1: Write the proportion equation
106,406,543.60 : 159,609,815.40 = 57,865,641.20 : x - Step 2: Convert to fraction form
106,406,543.60/159,609,815.40 = 57,865,641.20/x - Step 3: Cross multiply
106,406,543.60x = 159,609,815.40 × 57,865,641.20 - Step 4: Simplify right side
106,406,543.60x = 9,235,924,309,934,636 - Step 5: Solve for x
x = 9,235,924,309,934,636/106,406,543.60 - Step 6: Final answer
x = 86,798,461.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.