Home / 70,138,016,731.59-105,150,408,542.52-64,476,663,014.16

Finding the Fourth Proportional to 70,138,016,731.59, 105,150,408,542.52 and 64,476,663,014.16

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Solution

The fourth proportional to 70,138,016,731.59, 105,150,408,542.52 and 64,476,663,014.16 is: 96,662,947,903.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,138,016,731.59 : 105,150,408,542.52 = 64,476,663,014.16 : x
  2. Step 2: Convert to fraction form
    70,138,016,731.59/105,150,408,542.52 = 64,476,663,014.16/x
  3. Step 3: Cross multiply
    70,138,016,731.59x = 105,150,408,542.52 × 64,476,663,014.16
  4. Step 4: Simplify right side
    70,138,016,731.59x = 6,779,747,457,397,314,027,520
  5. Step 5: Solve for x
    x = 6,779,747,457,397,314,027,520/70,138,016,731.59
  6. Step 6: Final answer
    x = 96,662,947,903.74

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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.