Finding the Fourth Proportional to 106,779,710.58, 147,357,160.43 and 62,728,566.09
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Solution
The fourth proportional to 106,779,710.58, 147,357,160.43 and 62,728,566.09 is: 86,566,102.55
Step by Step Solution
- Step 1: Write the proportion equation
106,779,710.58 : 147,357,160.43 = 62,728,566.09 : x - Step 2: Convert to fraction form
106,779,710.58/147,357,160.43 = 62,728,566.09/x - Step 3: Cross multiply
106,779,710.58x = 147,357,160.43 × 62,728,566.09 - Step 4: Simplify right side
106,779,710.58x = 9,243,503,376,554,346 - Step 5: Solve for x
x = 9,243,503,376,554,346/106,779,710.58 - Step 6: Final answer
x = 86,566,102.55
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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.