Home / 103,236,316.09-142,469,875.59-56,191,117.47

Finding the Fourth Proportional to 103,236,316.09, 142,469,875.59 and 56,191,117.47

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Solution

The fourth proportional to 103,236,316.09, 142,469,875.59 and 56,191,117.47 is: 77,545,788.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,236,316.09 : 142,469,875.59 = 56,191,117.47 : x
  2. Step 2: Convert to fraction form
    103,236,316.09/142,469,875.59 = 56,191,117.47/x
  3. Step 3: Cross multiply
    103,236,316.09x = 142,469,875.59 × 56,191,117.47
  4. Step 4: Simplify right side
    103,236,316.09x = 8,005,541,514,469,843
  5. Step 5: Solve for x
    x = 8,005,541,514,469,843/103,236,316.09
  6. Step 6: Final answer
    x = 77,545,788.32

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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.