Home / 171,356,147.61-257,071,095.31-53,178,574.47

Finding the Fourth Proportional to 171,356,147.61, 257,071,095.31 and 53,178,574.47

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Solution

The fourth proportional to 171,356,147.61, 257,071,095.31 and 53,178,574.47 is: 79,779,305.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,356,147.61 : 257,071,095.31 = 53,178,574.47 : x
  2. Step 2: Convert to fraction form
    171,356,147.61/257,071,095.31 = 53,178,574.47/x
  3. Step 3: Cross multiply
    171,356,147.61x = 257,071,095.31 × 53,178,574.47
  4. Step 4: Simplify right side
    171,356,147.61x = 13,670,674,385,435,724
  5. Step 5: Solve for x
    x = 13,670,674,385,435,724/171,356,147.61
  6. Step 6: Final answer
    x = 79,779,305.13

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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.