Finding the Fourth Proportional to 149,774,460.80, 224,661,691.20 and 125,587,990.40
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Solution
The fourth proportional to 149,774,460.80, 224,661,691.20 and 125,587,990.40 is: 188,381,985.60
Step by Step Solution
- Step 1: Write the proportion equation
149,774,460.80 : 224,661,691.20 = 125,587,990.40 : x - Step 2: Convert to fraction form
149,774,460.80/224,661,691.20 = 125,587,990.40/x - Step 3: Cross multiply
149,774,460.80x = 224,661,691.20 × 125,587,990.40 - Step 4: Simplify right side
149,774,460.80x = 28,214,810,317,673,364 - Step 5: Solve for x
x = 28,214,810,317,673,364/149,774,460.80 - Step 6: Final answer
x = 188,381,985.60
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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.