Home / 98,299,604.32-135,656,712.14-53,648,021.40

Finding the Fourth Proportional to 98,299,604.32, 135,656,712.14 and 53,648,021.40

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Solution

The fourth proportional to 98,299,604.32, 135,656,712.14 and 53,648,021.40 is: 74,036,047.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,299,604.32 : 135,656,712.14 = 53,648,021.40 : x
  2. Step 2: Convert to fraction form
    98,299,604.32/135,656,712.14 = 53,648,021.40/x
  3. Step 3: Cross multiply
    98,299,604.32x = 135,656,712.14 × 53,648,021.40
  4. Step 4: Simplify right side
    98,299,604.32x = 7,277,714,195,940,359
  5. Step 5: Solve for x
    x = 7,277,714,195,940,359/98,299,604.32
  6. Step 6: Final answer
    x = 74,036,047.72

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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.