Home / 82,880,401.60-124,320,602.40-42,569,617.60

Finding the Fourth Proportional to 82,880,401.60, 124,320,602.40 and 42,569,617.60

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Solution

The fourth proportional to 82,880,401.60, 124,320,602.40 and 42,569,617.60 is: 63,854,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,880,401.60 : 124,320,602.40 = 42,569,617.60 : x
  2. Step 2: Convert to fraction form
    82,880,401.60/124,320,602.40 = 42,569,617.60/x
  3. Step 3: Cross multiply
    82,880,401.60x = 124,320,602.40 × 42,569,617.60
  4. Step 4: Simplify right side
    82,880,401.60x = 5,292,280,503,969,643
  5. Step 5: Solve for x
    x = 5,292,280,503,969,643/82,880,401.60
  6. Step 6: Final answer
    x = 63,854,426.40

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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.