Finding the Fourth Proportional to 137,695,587.14, 190,024,573.90 and 74,974,117.62
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Solution
The fourth proportional to 137,695,587.14, 190,024,573.90 and 74,974,117.62 is: 103,466,821.63
Step by Step Solution
- Step 1: Write the proportion equation
137,695,587.14 : 190,024,573.90 = 74,974,117.62 : x - Step 2: Convert to fraction form
137,695,587.14/190,024,573.90 = 74,974,117.62/x - Step 3: Cross multiply
137,695,587.14x = 190,024,573.90 × 74,974,117.62 - Step 4: Simplify right side
137,695,587.14x = 14,246,924,754,268,984 - Step 5: Solve for x
x = 14,246,924,754,268,984/137,695,587.14 - Step 6: Final answer
x = 103,466,821.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.