Home / 79,915,779.60-119,825,126.64-31,335,430.32

Finding the Fourth Proportional to 79,915,779.60, 119,825,126.64 and 31,335,430.32

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Solution

The fourth proportional to 79,915,779.60, 119,825,126.64 and 31,335,430.32 is: 46,984,111.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,915,779.60 : 119,825,126.64 = 31,335,430.32 : x
  2. Step 2: Convert to fraction form
    79,915,779.60/119,825,126.64 = 31,335,430.32/x
  3. Step 3: Cross multiply
    79,915,779.60x = 119,825,126.64 × 31,335,430.32
  4. Step 4: Simplify right side
    79,915,779.60x = 3,754,771,906,412,896
  5. Step 5: Solve for x
    x = 3,754,771,906,412,896/79,915,779.60
  6. Step 6: Final answer
    x = 46,984,111.59

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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.