Finding the Fourth Proportional to 187,248,743.60, 280,495,201.80 and 106,375,233.20
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Solution
The fourth proportional to 187,248,743.60, 280,495,201.80 and 106,375,233.20 is: 159,348,158.65
Step by Step Solution
- Step 1: Write the proportion equation
187,248,743.60 : 280,495,201.80 = 106,375,233.20 : x - Step 2: Convert to fraction form
187,248,743.60/280,495,201.80 = 106,375,233.20/x - Step 3: Cross multiply
187,248,743.60x = 280,495,201.80 × 106,375,233.20 - Step 4: Simplify right side
187,248,743.60x = 29,837,742,502,956,060 - Step 5: Solve for x
x = 29,837,742,502,956,060/187,248,743.60 - Step 6: Final answer
x = 159,348,158.65
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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.