Home / 105,989,731.60-158,984,597.40-57,490,819.60

Finding the Fourth Proportional to 105,989,731.60, 158,984,597.40 and 57,490,819.60

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Solution

The fourth proportional to 105,989,731.60, 158,984,597.40 and 57,490,819.60 is: 86,236,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,989,731.60 : 158,984,597.40 = 57,490,819.60 : x
  2. Step 2: Convert to fraction form
    105,989,731.60/158,984,597.40 = 57,490,819.60/x
  3. Step 3: Cross multiply
    105,989,731.60x = 158,984,597.40 × 57,490,819.60
  4. Step 4: Simplify right side
    105,989,731.60x = 9,140,154,808,302,030
  5. Step 5: Solve for x
    x = 9,140,154,808,302,030/105,989,731.60
  6. Step 6: Final answer
    x = 86,236,229.40

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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.