Finding the Fourth Proportional to 74,709,962.70, 103,060,539.99 and 60,786,886.47
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Solution
The fourth proportional to 74,709,962.70, 103,060,539.99 and 60,786,886.47 is: 83,854,001.76
Step by Step Solution
- Step 1: Write the proportion equation
74,709,962.70 : 103,060,539.99 = 60,786,886.47 : x - Step 2: Convert to fraction form
74,709,962.70/103,060,539.99 = 60,786,886.47/x - Step 3: Cross multiply
74,709,962.70x = 103,060,539.99 × 60,786,886.47 - Step 4: Simplify right side
74,709,962.70x = 6,264,729,343,909,024 - Step 5: Solve for x
x = 6,264,729,343,909,024/74,709,962.70 - Step 6: Final answer
x = 83,854,001.76
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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.