Home / 56,023,345.53-77,312,061.45-31,243,555.71

Finding the Fourth Proportional to 56,023,345.53, 77,312,061.45 and 31,243,555.71

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Solution

The fourth proportional to 56,023,345.53, 77,312,061.45 and 31,243,555.71 is: 43,116,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,023,345.53 : 77,312,061.45 = 31,243,555.71 : x
  2. Step 2: Convert to fraction form
    56,023,345.53/77,312,061.45 = 31,243,555.71/x
  3. Step 3: Cross multiply
    56,023,345.53x = 77,312,061.45 × 31,243,555.71
  4. Step 4: Simplify right side
    56,023,345.53x = 2,415,503,698,968,018.50
  5. Step 5: Solve for x
    x = 2,415,503,698,968,018.50/56,023,345.53
  6. Step 6: Final answer
    x = 43,116,020.23

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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.