Home / 55,963,640.76-77,227,785.33-31,182,547.20

Finding the Fourth Proportional to 55,963,640.76, 77,227,785.33 and 31,182,547.20

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Solution

The fourth proportional to 55,963,640.76, 77,227,785.33 and 31,182,547.20 is: 43,030,779.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,963,640.76 : 77,227,785.33 = 31,182,547.20 : x
  2. Step 2: Convert to fraction form
    55,963,640.76/77,227,785.33 = 31,182,547.20/x
  3. Step 3: Cross multiply
    55,963,640.76x = 77,227,785.33 × 31,182,547.20
  4. Step 4: Simplify right side
    55,963,640.76x = 2,408,159,061,204,192.50
  5. Step 5: Solve for x
    x = 2,408,159,061,204,192.50/55,963,640.76
  6. Step 6: Final answer
    x = 43,030,779.06

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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.