Home / 145,471,368.60-218,313,341.10-102,424,647.60

Finding the Fourth Proportional to 145,471,368.60, 218,313,341.10 and 102,424,647.60

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Solution

The fourth proportional to 145,471,368.60, 218,313,341.10 and 102,424,647.60 is: 153,711,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,471,368.60 : 218,313,341.10 = 102,424,647.60 : x
  2. Step 2: Convert to fraction form
    145,471,368.60/218,313,341.10 = 102,424,647.60/x
  3. Step 3: Cross multiply
    145,471,368.60x = 218,313,341.10 × 102,424,647.60
  4. Step 4: Simplify right side
    145,471,368.60x = 22,360,667,028,546,096
  5. Step 5: Solve for x
    x = 22,360,667,028,546,096/145,471,368.60
  6. Step 6: Final answer
    x = 153,711,807.65

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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.