Finding the Fourth Proportional to 81,574,374, 112,358,192.76 and 62,699,862
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Solution
The fourth proportional to 81,574,374, 112,358,192.76 and 62,699,862 is: 86,360,983.67
Step by Step Solution
- Step 1: Write the proportion equation
81,574,374 : 112,358,192.76 = 62,699,862 : x - Step 2: Convert to fraction form
81,574,374/112,358,192.76 = 62,699,862/x - Step 3: Cross multiply
81,574,374x = 112,358,192.76 × 62,699,862 - Step 4: Simplify right side
81,574,374x = 7,044,843,180,621,399 - Step 5: Solve for x
x = 7,044,843,180,621,399/81,574,374 - Step 6: Final answer
x = 86,360,983.67
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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.