Home / 58,752,005.20-88,128,007.80-40,612,152.40

Finding the Fourth Proportional to 58,752,005.20, 88,128,007.80 and 40,612,152.40

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Solution

The fourth proportional to 58,752,005.20, 88,128,007.80 and 40,612,152.40 is: 60,918,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,752,005.20 : 88,128,007.80 = 40,612,152.40 : x
  2. Step 2: Convert to fraction form
    58,752,005.20/88,128,007.80 = 40,612,152.40/x
  3. Step 3: Cross multiply
    58,752,005.20x = 88,128,007.80 × 40,612,152.40
  4. Step 4: Simplify right side
    58,752,005.20x = 3,579,068,083,481,988.50
  5. Step 5: Solve for x
    x = 3,579,068,083,481,988.50/58,752,005.20
  6. Step 6: Final answer
    x = 60,918,228.60

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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.