Finding the Fourth Proportional to 103,484,516.34, 155,226,774.63 and 42,059,283.74
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Solution
The fourth proportional to 103,484,516.34, 155,226,774.63 and 42,059,283.74 is: 63,088,925.65
Step by Step Solution
- Step 1: Write the proportion equation
103,484,516.34 : 155,226,774.63 = 42,059,283.74 : x - Step 2: Convert to fraction form
103,484,516.34/155,226,774.63 = 42,059,283.74/x - Step 3: Cross multiply
103,484,516.34x = 155,226,774.63 × 42,059,283.74 - Step 4: Simplify right side
103,484,516.34x = 6,528,726,957,432,069 - Step 5: Solve for x
x = 6,528,726,957,432,069/103,484,516.34 - Step 6: Final answer
x = 63,088,925.65
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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.