Finding the Fourth Proportional to 134,955,862.60, 186,239,343.74 and 75,417,159.12
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Solution
The fourth proportional to 134,955,862.60, 186,239,343.74 and 75,417,159.12 is: 104,075,821.17
Step by Step Solution
- Step 1: Write the proportion equation
134,955,862.60 : 186,239,343.74 = 75,417,159.12 : x - Step 2: Convert to fraction form
134,955,862.60/186,239,343.74 = 75,417,159.12/x - Step 3: Cross multiply
134,955,862.60x = 186,239,343.74 × 75,417,159.12 - Step 4: Simplify right side
134,955,862.60x = 14,045,642,221,243,958 - Step 5: Solve for x
x = 14,045,642,221,243,958/134,955,862.60 - Step 6: Final answer
x = 104,075,821.17
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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.