Home / 42,616,335.40-63,929,168.70-41,272,642.60

Finding the Fourth Proportional to 42,616,335.40, 63,929,168.70 and 41,272,642.60

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Solution

The fourth proportional to 42,616,335.40, 63,929,168.70 and 41,272,642.60 is: 61,913,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,616,335.40 : 63,929,168.70 = 41,272,642.60 : x
  2. Step 2: Convert to fraction form
    42,616,335.40/63,929,168.70 = 41,272,642.60/x
  3. Step 3: Cross multiply
    42,616,335.40x = 63,929,168.70 × 41,272,642.60
  4. Step 4: Simplify right side
    42,616,335.40x = 2,638,525,731,470,207
  5. Step 5: Solve for x
    x = 2,638,525,731,470,207/42,616,335.40
  6. Step 6: Final answer
    x = 61,913,482.39

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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.