Home / 152,852,452,961.80-210,937,022,213.28-84,262,359,256.50

Finding the Fourth Proportional to 152,852,452,961.80, 210,937,022,213.28 and 84,262,359,256.50

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Solution

The fourth proportional to 152,852,452,961.80, 210,937,022,213.28 and 84,262,359,256.50 is: 116,282,406,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,852,452,961.80 : 210,937,022,213.28 = 84,262,359,256.50 : x
  2. Step 2: Convert to fraction form
    152,852,452,961.80/210,937,022,213.28 = 84,262,359,256.50/x
  3. Step 3: Cross multiply
    152,852,452,961.80x = 210,937,022,213.28 × 84,262,359,256.50
  4. Step 4: Simplify right side
    152,852,452,961.80x = 17,774,051,146,231,720,181,760
  5. Step 5: Solve for x
    x = 17,774,051,146,231,720,181,760/152,852,452,961.80
  6. Step 6: Final answer
    x = 116,282,406,999.87

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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.