Home / 43,105,875-64,667,330.46-15,812,421.18

Finding the Fourth Proportional to 43,105,875, 64,667,330.46 and 15,812,421.18

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Solution

The fourth proportional to 43,105,875, 64,667,330.46 and 15,812,421.18 is: 23,721,756.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,105,875 : 64,667,330.46 = 15,812,421.18 : x
  2. Step 2: Convert to fraction form
    43,105,875/64,667,330.46 = 15,812,421.18/x
  3. Step 3: Cross multiply
    43,105,875x = 64,667,330.46 × 15,812,421.18
  4. Step 4: Simplify right side
    43,105,875x = 1,022,547,065,819,763.12
  5. Step 5: Solve for x
    x = 1,022,547,065,819,763.12/43,105,875
  6. Step 6: Final answer
    x = 23,721,756.39

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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.