Home / 98,172,702.65-135,478,739.86-54,118,734.91

Finding the Fourth Proportional to 98,172,702.65, 135,478,739.86 and 54,118,734.91

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Solution

The fourth proportional to 98,172,702.65, 135,478,739.86 and 54,118,734.91 is: 74,684,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,172,702.65 : 135,478,739.86 = 54,118,734.91 : x
  2. Step 2: Convert to fraction form
    98,172,702.65/135,478,739.86 = 54,118,734.91/x
  3. Step 3: Cross multiply
    98,172,702.65x = 135,478,739.86 × 54,118,734.91
  4. Step 4: Simplify right side
    98,172,702.65x = 7,331,938,007,950,196
  5. Step 5: Solve for x
    x = 7,331,938,007,950,196/98,172,702.65
  6. Step 6: Final answer
    x = 74,684,080.30

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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.