Finding the Fourth Proportional to 156,779,460.68, 235,153,995.14 and 47,605,591.40
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Solution
The fourth proportional to 156,779,460.68, 235,153,995.14 and 47,605,591.40 is: 71,403,772.92
Step by Step Solution
- Step 1: Write the proportion equation
156,779,460.68 : 235,153,995.14 = 47,605,591.40 : x - Step 2: Convert to fraction form
156,779,460.68/235,153,995.14 = 47,605,591.40/x - Step 3: Cross multiply
156,779,460.68x = 235,153,995.14 × 47,605,591.40 - Step 4: Simplify right side
156,779,460.68x = 11,194,645,008,712,424 - Step 5: Solve for x
x = 11,194,645,008,712,424/156,779,460.68 - Step 6: Final answer
x = 71,403,772.92
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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.