Home / 48,411,988.80-72,534,002.40-31,363,886.40

Finding the Fourth Proportional to 48,411,988.80, 72,534,002.40 and 31,363,886.40

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Solution

The fourth proportional to 48,411,988.80, 72,534,002.40 and 31,363,886.40 is: 46,991,422.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,411,988.80 : 72,534,002.40 = 31,363,886.40 : x
  2. Step 2: Convert to fraction form
    48,411,988.80/72,534,002.40 = 31,363,886.40/x
  3. Step 3: Cross multiply
    48,411,988.80x = 72,534,002.40 × 31,363,886.40
  4. Step 4: Simplify right side
    48,411,988.80x = 2,274,948,211,410,927.50
  5. Step 5: Solve for x
    x = 2,274,948,211,410,927.50/48,411,988.80
  6. Step 6: Final answer
    x = 46,991,422.33

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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.