Home / 124,796,985.12-172,219,251.60-69,793,060.32

Finding the Fourth Proportional to 124,796,985.12, 172,219,251.60 and 69,793,060.32

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Solution

The fourth proportional to 124,796,985.12, 172,219,251.60 and 69,793,060.32 is: 96,314,094.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,796,985.12 : 172,219,251.60 = 69,793,060.32 : x
  2. Step 2: Convert to fraction form
    124,796,985.12/172,219,251.60 = 69,793,060.32/x
  3. Step 3: Cross multiply
    124,796,985.12x = 172,219,251.60 × 69,793,060.32
  4. Step 4: Simplify right side
    124,796,985.12x = 12,019,708,615,184,054
  5. Step 5: Solve for x
    x = 12,019,708,615,184,054/124,796,985.12
  6. Step 6: Final answer
    x = 96,314,094.48

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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.