Home / 69,186,978,380.13-103,612,875,990.13-47,879,721,055.50

Finding the Fourth Proportional to 69,186,978,380.13, 103,612,875,990.13 and 47,879,721,055.50

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Solution

The fourth proportional to 69,186,978,380.13, 103,612,875,990.13 and 47,879,721,055.50 is: 71,703,602,561.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,186,978,380.13 : 103,612,875,990.13 = 47,879,721,055.50 : x
  2. Step 2: Convert to fraction form
    69,186,978,380.13/103,612,875,990.13 = 47,879,721,055.50/x
  3. Step 3: Cross multiply
    69,186,978,380.13x = 103,612,875,990.13 × 47,879,721,055.50
  4. Step 4: Simplify right side
    69,186,978,380.13x = 4,960,955,600,165,537,841,152
  5. Step 5: Solve for x
    x = 4,960,955,600,165,537,841,152/69,186,978,380.13
  6. Step 6: Final answer
    x = 71,703,602,561.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.