Home / 42,492,862.60-63,833,772.30-40,886,729.80

Finding the Fourth Proportional to 42,492,862.60, 63,833,772.30 and 40,886,729.80

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Solution

The fourth proportional to 42,492,862.60, 63,833,772.30 and 40,886,729.80 is: 61,421,002.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,492,862.60 : 63,833,772.30 = 40,886,729.80 : x
  2. Step 2: Convert to fraction form
    42,492,862.60/63,833,772.30 = 40,886,729.80/x
  3. Step 3: Cross multiply
    42,492,862.60x = 63,833,772.30 × 40,886,729.80
  4. Step 4: Simplify right side
    42,492,862.60x = 2,609,954,200,144,824
  5. Step 5: Solve for x
    x = 2,609,954,200,144,824/42,492,862.60
  6. Step 6: Final answer
    x = 61,421,002.03

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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.