Finding the Fourth Proportional to 149,691,871.80, 224,537,807.70 and 69,070,303.80
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Solution
The fourth proportional to 149,691,871.80, 224,537,807.70 and 69,070,303.80 is: 103,605,455.70
Step by Step Solution
- Step 1: Write the proportion equation
149,691,871.80 : 224,537,807.70 = 69,070,303.80 : x - Step 2: Convert to fraction form
149,691,871.80/224,537,807.70 = 69,070,303.80/x - Step 3: Cross multiply
149,691,871.80x = 224,537,807.70 × 69,070,303.80 - Step 4: Simplify right side
149,691,871.80x = 15,508,894,592,424,978 - Step 5: Solve for x
x = 15,508,894,592,424,978/149,691,871.80 - Step 6: Final answer
x = 103,605,455.70
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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.