Home / 142,061,011,826.38-196,069,456,134.75-84,974,602,772.50

Finding the Fourth Proportional to 142,061,011,826.38, 196,069,456,134.75 and 84,974,602,772.50

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Solution

The fourth proportional to 142,061,011,826.38, 196,069,456,134.75 and 84,974,602,772.50 is: 117,280,061,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,061,011,826.38 : 196,069,456,134.75 = 84,974,602,772.50 : x
  2. Step 2: Convert to fraction form
    142,061,011,826.38/196,069,456,134.75 = 84,974,602,772.50/x
  3. Step 3: Cross multiply
    142,061,011,826.38x = 196,069,456,134.75 × 84,974,602,772.50
  4. Step 4: Simplify right side
    142,061,011,826.38x = 16,660,924,150,870,494,412,800
  5. Step 5: Solve for x
    x = 16,660,924,150,870,494,412,800/142,061,011,826.38
  6. Step 6: Final answer
    x = 117,280,061,127.77

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1.5x scale

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.