Home / 142,898,852,218.51-214,285,378,313.47-75,730,360,311.92

Finding the Fourth Proportional to 142,898,852,218.51, 214,285,378,313.47 and 75,730,360,311.92

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Solution

The fourth proportional to 142,898,852,218.51, 214,285,378,313.47 and 75,730,360,311.92 is: 113,562,206,115.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,898,852,218.51 : 214,285,378,313.47 = 75,730,360,311.92 : x
  2. Step 2: Convert to fraction form
    142,898,852,218.51/214,285,378,313.47 = 75,730,360,311.92/x
  3. Step 3: Cross multiply
    142,898,852,218.51x = 214,285,378,313.47 × 75,730,360,311.92
  4. Step 4: Simplify right side
    142,898,852,218.51x = 16,227,908,909,255,815,593,984
  5. Step 5: Solve for x
    x = 16,227,908,909,255,815,593,984/142,898,852,218.51
  6. Step 6: Final answer
    x = 113,562,206,115.14

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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.