Home / 42,492,950.40-63,739,425.60-38,950,010.40

Finding the Fourth Proportional to 42,492,950.40, 63,739,425.60 and 38,950,010.40

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Solution

The fourth proportional to 42,492,950.40, 63,739,425.60 and 38,950,010.40 is: 58,425,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,492,950.40 : 63,739,425.60 = 38,950,010.40 : x
  2. Step 2: Convert to fraction form
    42,492,950.40/63,739,425.60 = 38,950,010.40/x
  3. Step 3: Cross multiply
    42,492,950.40x = 63,739,425.60 × 38,950,010.40
  4. Step 4: Simplify right side
    42,492,950.40x = 2,482,651,290,010,026
  5. Step 5: Solve for x
    x = 2,482,651,290,010,026/42,492,950.40
  6. Step 6: Final answer
    x = 58,425,015.60

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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.