Home / 191,149,827,914.95-263,786,788,342.95-105,510,809,820.92

Finding the Fourth Proportional to 191,149,827,914.95, 263,786,788,342.95 and 105,510,809,820.92

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Solution

The fourth proportional to 191,149,827,914.95, 263,786,788,342.95 and 105,510,809,820.92 is: 145,604,931,805.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,149,827,914.95 : 263,786,788,342.95 = 105,510,809,820.92 : x
  2. Step 2: Convert to fraction form
    191,149,827,914.95/263,786,788,342.95 = 105,510,809,820.92/x
  3. Step 3: Cross multiply
    191,149,827,914.95x = 263,786,788,342.95 × 105,510,809,820.92
  4. Step 4: Simplify right side
    191,149,827,914.95x = 27,832,357,658,124,273,844,224
  5. Step 5: Solve for x
    x = 27,832,357,658,124,273,844,224/191,149,827,914.95
  6. Step 6: Final answer
    x = 145,604,931,805.16

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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.