Home / 210,306,687,808.42-315,462,455,069.02-76,011,377,047.30

Finding the Fourth Proportional to 210,306,687,808.42, 315,462,455,069.02 and 76,011,377,047.30

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Solution

The fourth proportional to 210,306,687,808.42, 315,462,455,069.02 and 76,011,377,047.30 is: 114,017,941,447.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,306,687,808.42 : 315,462,455,069.02 = 76,011,377,047.30 : x
  2. Step 2: Convert to fraction form
    210,306,687,808.42/315,462,455,069.02 = 76,011,377,047.30/x
  3. Step 3: Cross multiply
    210,306,687,808.42x = 315,462,455,069.02 × 76,011,377,047.30
  4. Step 4: Simplify right side
    210,306,687,808.42x = 23,978,735,616,518,218,842,112
  5. Step 5: Solve for x
    x = 23,978,735,616,518,218,842,112/210,306,687,808.42
  6. Step 6: Final answer
    x = 114,017,941,447.31

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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.