Home / 137,914,345.02-190,323,117.27-76,036,902.78

Finding the Fourth Proportional to 137,914,345.02, 190,323,117.27 and 76,036,902.78

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Solution

The fourth proportional to 137,914,345.02, 190,323,117.27 and 76,036,902.78 is: 104,931,654.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,914,345.02 : 190,323,117.27 = 76,036,902.78 : x
  2. Step 2: Convert to fraction form
    137,914,345.02/190,323,117.27 = 76,036,902.78/x
  3. Step 3: Cross multiply
    137,914,345.02x = 190,323,117.27 × 76,036,902.78
  4. Step 4: Simplify right side
    137,914,345.02x = 14,471,580,364,645,530
  5. Step 5: Solve for x
    x = 14,471,580,364,645,530/137,914,345.02
  6. Step 6: Final answer
    x = 104,931,654.23

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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.