Home / 42,012,045.80-63,018,068.70-10,099,341.80

Finding the Fourth Proportional to 42,012,045.80, 63,018,068.70 and 10,099,341.80

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Solution

The fourth proportional to 42,012,045.80, 63,018,068.70 and 10,099,341.80 is: 15,149,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012,045.80 : 63,018,068.70 = 10,099,341.80 : x
  2. Step 2: Convert to fraction form
    42,012,045.80/63,018,068.70 = 10,099,341.80/x
  3. Step 3: Cross multiply
    42,012,045.80x = 63,018,068.70 × 10,099,341.80
  4. Step 4: Simplify right side
    42,012,045.80x = 636,441,015,377,181.75
  5. Step 5: Solve for x
    x = 636,441,015,377,181.75/42,012,045.80
  6. Step 6: Final answer
    x = 15,149,012.70

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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.