Home / 42,335,999.80-63,503,999.70-25,287,897.40

Finding the Fourth Proportional to 42,335,999.80, 63,503,999.70 and 25,287,897.40

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Solution

The fourth proportional to 42,335,999.80, 63,503,999.70 and 25,287,897.40 is: 37,931,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,335,999.80 : 63,503,999.70 = 25,287,897.40 : x
  2. Step 2: Convert to fraction form
    42,335,999.80/63,503,999.70 = 25,287,897.40/x
  3. Step 3: Cross multiply
    42,335,999.80x = 63,503,999.70 × 25,287,897.40
  4. Step 4: Simplify right side
    42,335,999.80x = 1,605,882,628,903,230.75
  5. Step 5: Solve for x
    x = 1,605,882,628,903,230.75/42,335,999.80
  6. Step 6: Final answer
    x = 37,931,846.10

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1.5x scale

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.