Home / 42,020,761.32-57,988,653.05-22,705,177.32

Finding the Fourth Proportional to 42,020,761.32, 57,988,653.05 and 22,705,177.32

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Solution

The fourth proportional to 42,020,761.32, 57,988,653.05 and 22,705,177.32 is: 31,333,146.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,020,761.32 : 57,988,653.05 = 22,705,177.32 : x
  2. Step 2: Convert to fraction form
    42,020,761.32/57,988,653.05 = 22,705,177.32/x
  3. Step 3: Cross multiply
    42,020,761.32x = 57,988,653.05 × 22,705,177.32
  4. Step 4: Simplify right side
    42,020,761.32x = 1,316,642,649,934,683
  5. Step 5: Solve for x
    x = 1,316,642,649,934,683/42,020,761.32
  6. Step 6: Final answer
    x = 31,333,146.01

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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.