Home / 66,663,649.88-99,925,132.69-35,949,870.21

Finding the Fourth Proportional to 66,663,649.88, 99,925,132.69 and 35,949,870.21

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Solution

The fourth proportional to 66,663,649.88, 99,925,132.69 and 35,949,870.21 is: 53,886,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,663,649.88 : 99,925,132.69 = 35,949,870.21 : x
  2. Step 2: Convert to fraction form
    66,663,649.88/99,925,132.69 = 35,949,870.21/x
  3. Step 3: Cross multiply
    66,663,649.88x = 99,925,132.69 × 35,949,870.21
  4. Step 4: Simplify right side
    66,663,649.88x = 3,592,295,550,742,779
  5. Step 5: Solve for x
    x = 3,592,295,550,742,779/66,663,649.88
  6. Step 6: Final answer
    x = 53,886,871.74

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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.