Home / 53,021,779,331.76-73,171,606,740.12-28,937,345,701.68

Finding the Fourth Proportional to 53,021,779,331.76, 73,171,606,740.12 and 28,937,345,701.68

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Solution

The fourth proportional to 53,021,779,331.76, 73,171,606,740.12 and 28,937,345,701.68 is: 39,934,383,690.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,021,779,331.76 : 73,171,606,740.12 = 28,937,345,701.68 : x
  2. Step 2: Convert to fraction form
    53,021,779,331.76/73,171,606,740.12 = 28,937,345,701.68/x
  3. Step 3: Cross multiply
    53,021,779,331.76x = 73,171,606,740.12 × 28,937,345,701.68
  4. Step 4: Simplify right side
    53,021,779,331.76x = 2,117,392,079,786,230,677,504
  5. Step 5: Solve for x
    x = 2,117,392,079,786,230,677,504/53,021,779,331.76
  6. Step 6: Final answer
    x = 39,934,383,690.48

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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.