Home / 157,464,132.30-236,196,198.45-142,397,779.95

Finding the Fourth Proportional to 157,464,132.30, 236,196,198.45 and 142,397,779.95

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Solution

The fourth proportional to 157,464,132.30, 236,196,198.45 and 142,397,779.95 is: 213,596,669.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,132.30 : 236,196,198.45 = 142,397,779.95 : x
  2. Step 2: Convert to fraction form
    157,464,132.30/236,196,198.45 = 142,397,779.95/x
  3. Step 3: Cross multiply
    157,464,132.30x = 236,196,198.45 × 142,397,779.95
  4. Step 4: Simplify right side
    157,464,132.30x = 33,633,814,291,909,628
  5. Step 5: Solve for x
    x = 33,633,814,291,909,628/157,464,132.30
  6. Step 6: Final answer
    x = 213,596,669.93

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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.