Home / 105,865,356.60-158,798,034.90-42,039,948.60

Finding the Fourth Proportional to 105,865,356.60, 158,798,034.90 and 42,039,948.60

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Solution

The fourth proportional to 105,865,356.60, 158,798,034.90 and 42,039,948.60 is: 63,059,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,865,356.60 : 158,798,034.90 = 42,039,948.60 : x
  2. Step 2: Convert to fraction form
    105,865,356.60/158,798,034.90 = 42,039,948.60/x
  3. Step 3: Cross multiply
    105,865,356.60x = 158,798,034.90 × 42,039,948.60
  4. Step 4: Simplify right side
    105,865,356.60x = 6,675,861,224,977,007
  5. Step 5: Solve for x
    x = 6,675,861,224,977,007/105,865,356.60
  6. Step 6: Final answer
    x = 63,059,922.90

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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.