Finding the Fourth Proportional to 93,653,866,177.79, 129,238,991,353.86 and 53,007,904,973.93
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Solution
The fourth proportional to 93,653,866,177.79, 129,238,991,353.86 and 53,007,904,973.93 is: 73,149,016,182.70
Step by Step Solution
- Step 1: Write the proportion equation
93,653,866,177.79 : 129,238,991,353.86 = 53,007,904,973.93 : x - Step 2: Convert to fraction form
93,653,866,177.79/129,238,991,353.86 = 53,007,904,973.93/x - Step 3: Cross multiply
93,653,866,177.79x = 129,238,991,353.86 × 53,007,904,973.93 - Step 4: Simplify right side
93,653,866,177.79x = 6,850,688,172,611,971,579,904 - Step 5: Solve for x
x = 6,850,688,172,611,971,579,904/93,653,866,177.79 - Step 6: Final answer
x = 73,149,016,182.70
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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.