Home / 142,478,800,152.12-213,754,375,011.02-65,956,413,190.83

Finding the Fourth Proportional to 142,478,800,152.12, 213,754,375,011.02 and 65,956,413,190.83

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Solution

The fourth proportional to 142,478,800,152.12, 213,754,375,011.02 and 65,956,413,190.83 is: 98,951,365,848.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,478,800,152.12 : 213,754,375,011.02 = 65,956,413,190.83 : x
  2. Step 2: Convert to fraction form
    142,478,800,152.12/213,754,375,011.02 = 65,956,413,190.83/x
  3. Step 3: Cross multiply
    142,478,800,152.12x = 213,754,375,011.02 × 65,956,413,190.83
  4. Step 4: Simplify right side
    142,478,800,152.12x = 14,098,471,879,574,462,398,464
  5. Step 5: Solve for x
    x = 14,098,471,879,574,462,398,464/142,478,800,152.12
  6. Step 6: Final answer
    x = 98,951,365,848.97

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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.