Home / 78,344,718.40-117,533,666.40-23,752,820.80

Finding the Fourth Proportional to 78,344,718.40, 117,533,666.40 and 23,752,820.80

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Solution

The fourth proportional to 78,344,718.40, 117,533,666.40 and 23,752,820.80 is: 35,634,260.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,344,718.40 : 117,533,666.40 = 23,752,820.80 : x
  2. Step 2: Convert to fraction form
    78,344,718.40/117,533,666.40 = 23,752,820.80/x
  3. Step 3: Cross multiply
    78,344,718.40x = 117,533,666.40 × 23,752,820.80
  4. Step 4: Simplify right side
    78,344,718.40x = 2,791,756,115,966,181.50
  5. Step 5: Solve for x
    x = 2,791,756,115,966,181.50/78,344,718.40
  6. Step 6: Final answer
    x = 35,634,260.65

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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.