Home / 157,464,686.40-236,197,029.60-42,445,107.60

Finding the Fourth Proportional to 157,464,686.40, 236,197,029.60 and 42,445,107.60

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Solution

The fourth proportional to 157,464,686.40, 236,197,029.60 and 42,445,107.60 is: 63,667,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,686.40 : 236,197,029.60 = 42,445,107.60 : x
  2. Step 2: Convert to fraction form
    157,464,686.40/236,197,029.60 = 42,445,107.60/x
  3. Step 3: Cross multiply
    157,464,686.40x = 236,197,029.60 × 42,445,107.60
  4. Step 4: Simplify right side
    157,464,686.40x = 10,025,408,336,172,386
  5. Step 5: Solve for x
    x = 10,025,408,336,172,386/157,464,686.40
  6. Step 6: Final answer
    x = 63,667,661.40

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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.