Home / 55,566,215.16-76,681,376.92-31,119,929.16

Finding the Fourth Proportional to 55,566,215.16, 76,681,376.92 and 31,119,929.16

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Solution

The fourth proportional to 55,566,215.16, 76,681,376.92 and 31,119,929.16 is: 42,945,502.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,566,215.16 : 76,681,376.92 = 31,119,929.16 : x
  2. Step 2: Convert to fraction form
    55,566,215.16/76,681,376.92 = 31,119,929.16/x
  3. Step 3: Cross multiply
    55,566,215.16x = 76,681,376.92 × 31,119,929.16
  4. Step 4: Simplify right side
    55,566,215.16x = 2,386,319,017,217,954.50
  5. Step 5: Solve for x
    x = 2,386,319,017,217,954.50/55,566,215.16
  6. Step 6: Final answer
    x = 42,945,502.24

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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.