Finding the Fourth Proportional to 163,559,408.10, 245,130,715.35 and 86,919,152.10
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Solution
The fourth proportional to 163,559,408.10, 245,130,715.35 and 86,919,152.10 is: 130,267,981.40
Step by Step Solution
- Step 1: Write the proportion equation
163,559,408.10 : 245,130,715.35 = 86,919,152.10 : x - Step 2: Convert to fraction form
163,559,408.10/245,130,715.35 = 86,919,152.10/x - Step 3: Cross multiply
163,559,408.10x = 245,130,715.35 × 86,919,152.10 - Step 4: Simplify right side
163,559,408.10x = 21,306,553,931,888,452 - Step 5: Solve for x
x = 21,306,553,931,888,452/163,559,408.10 - Step 6: Final answer
x = 130,267,981.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.