Finding the Fourth Proportional to 85,249,263.96, 117,635,199.33 and 62,934,118.53
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Solution
The fourth proportional to 85,249,263.96, 117,635,199.33 and 62,934,118.53 is: 86,842,598.21
Step by Step Solution
- Step 1: Write the proportion equation
85,249,263.96 : 117,635,199.33 = 62,934,118.53 : x - Step 2: Convert to fraction form
85,249,263.96/117,635,199.33 = 62,934,118.53/x - Step 3: Cross multiply
85,249,263.96x = 117,635,199.33 × 62,934,118.53 - Step 4: Simplify right side
85,249,263.96x = 7,403,267,577,934,397 - Step 5: Solve for x
x = 7,403,267,577,934,397/85,249,263.96 - Step 6: Final answer
x = 86,842,598.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.