Home / 78,358,569.90-117,554,443.65-23,766,672.30

Finding the Fourth Proportional to 78,358,569.90, 117,554,443.65 and 23,766,672.30

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Solution

The fourth proportional to 78,358,569.90, 117,554,443.65 and 23,766,672.30 is: 35,655,039.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,358,569.90 : 117,554,443.65 = 23,766,672.30 : x
  2. Step 2: Convert to fraction form
    78,358,569.90/117,554,443.65 = 23,766,672.30/x
  3. Step 3: Cross multiply
    78,358,569.90x = 117,554,443.65 × 23,766,672.30
  4. Step 4: Simplify right side
    78,358,569.90x = 2,793,877,939,638,366
  5. Step 5: Solve for x
    x = 2,793,877,939,638,366/78,358,569.90
  6. Step 6: Final answer
    x = 35,655,039.94

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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.