Home / 74,963,945.81-112,448,407.88-25,779,316.61

Finding the Fourth Proportional to 74,963,945.81, 112,448,407.88 and 25,779,316.61

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Solution

The fourth proportional to 74,963,945.81, 112,448,407.88 and 25,779,316.61 is: 38,669,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,963,945.81 : 112,448,407.88 = 25,779,316.61 : x
  2. Step 2: Convert to fraction form
    74,963,945.81/112,448,407.88 = 25,779,316.61/x
  3. Step 3: Cross multiply
    74,963,945.81x = 112,448,407.88 × 25,779,316.61
  4. Step 4: Simplify right side
    74,963,945.81x = 2,898,843,108,531,145
  5. Step 5: Solve for x
    x = 2,898,843,108,531,145/74,963,945.81
  6. Step 6: Final answer
    x = 38,669,830.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.