Finding the Fourth Proportional to 107,803,423.60, 161,705,135.40 and 59,262,521.20
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Solution
The fourth proportional to 107,803,423.60, 161,705,135.40 and 59,262,521.20 is: 88,893,781.80
Step by Step Solution
- Step 1: Write the proportion equation
107,803,423.60 : 161,705,135.40 = 59,262,521.20 : x - Step 2: Convert to fraction form
107,803,423.60/161,705,135.40 = 59,262,521.20/x - Step 3: Cross multiply
107,803,423.60x = 161,705,135.40 × 59,262,521.20 - Step 4: Simplify right side
107,803,423.60x = 9,583,054,014,791,372 - Step 5: Solve for x
x = 9,583,054,014,791,372/107,803,423.60 - Step 6: Final answer
x = 88,893,781.80
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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.