Home / 55,920,678.20-77,130,783.68-37,326,443.36

Finding the Fourth Proportional to 55,920,678.20, 77,130,783.68 and 37,326,443.36

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Solution

The fourth proportional to 55,920,678.20, 77,130,783.68 and 37,326,443.36 is: 51,483,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,920,678.20 : 77,130,783.68 = 37,326,443.36 : x
  2. Step 2: Convert to fraction form
    55,920,678.20/77,130,783.68 = 37,326,443.36/x
  3. Step 3: Cross multiply
    55,920,678.20x = 77,130,783.68 × 37,326,443.36
  4. Step 4: Simplify right side
    55,920,678.20x = 2,879,017,828,343,932.50
  5. Step 5: Solve for x
    x = 2,879,017,828,343,932.50/55,920,678.20
  6. Step 6: Final answer
    x = 51,483,957.65

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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.