Home / 155,343,837.30-233,165,055.15-78,753,347.70

Finding the Fourth Proportional to 155,343,837.30, 233,165,055.15 and 78,753,347.70

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Solution

The fourth proportional to 155,343,837.30, 233,165,055.15 and 78,753,347.70 is: 118,205,710.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,343,837.30 : 233,165,055.15 = 78,753,347.70 : x
  2. Step 2: Convert to fraction form
    155,343,837.30/233,165,055.15 = 78,753,347.70/x
  3. Step 3: Cross multiply
    155,343,837.30x = 233,165,055.15 × 78,753,347.70
  4. Step 4: Simplify right side
    155,343,837.30x = 18,362,528,659,717,628
  5. Step 5: Solve for x
    x = 18,362,528,659,717,628/155,343,837.30
  6. Step 6: Final answer
    x = 118,205,710.50

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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.