Home / 81,289,312.40-112,179,357.06-44,119,590.68

Finding the Fourth Proportional to 81,289,312.40, 112,179,357.06 and 44,119,590.68

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Solution

The fourth proportional to 81,289,312.40, 112,179,357.06 and 44,119,590.68 is: 60,885,092.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,289,312.40 : 112,179,357.06 = 44,119,590.68 : x
  2. Step 2: Convert to fraction form
    81,289,312.40/112,179,357.06 = 44,119,590.68/x
  3. Step 3: Cross multiply
    81,289,312.40x = 112,179,357.06 × 44,119,590.68
  4. Step 4: Simplify right side
    81,289,312.40x = 4,949,307,316,232,768
  5. Step 5: Solve for x
    x = 4,949,307,316,232,768/81,289,312.40
  6. Step 6: Final answer
    x = 60,885,092.64

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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.