Home / 105,326,930.68-145,287,607.86-69,563,590.36

Finding the Fourth Proportional to 105,326,930.68, 145,287,607.86 and 69,563,590.36

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Solution

The fourth proportional to 105,326,930.68, 145,287,607.86 and 69,563,590.36 is: 95,955,778.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,326,930.68 : 145,287,607.86 = 69,563,590.36 : x
  2. Step 2: Convert to fraction form
    105,326,930.68/145,287,607.86 = 69,563,590.36/x
  3. Step 3: Cross multiply
    105,326,930.68x = 145,287,607.86 × 69,563,590.36
  4. Step 4: Simplify right side
    105,326,930.68x = 10,106,727,637,557,358
  5. Step 5: Solve for x
    x = 10,106,727,637,557,358/105,326,930.68
  6. Step 6: Final answer
    x = 95,955,778.57

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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.