Home / 70,298,634.65-105,020,424.68-45,504,574.65

Finding the Fourth Proportional to 70,298,634.65, 105,020,424.68 and 45,504,574.65

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Solution

The fourth proportional to 70,298,634.65, 105,020,424.68 and 45,504,574.65 is: 67,980,121.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,298,634.65 : 105,020,424.68 = 45,504,574.65 : x
  2. Step 2: Convert to fraction form
    70,298,634.65/105,020,424.68 = 45,504,574.65/x
  3. Step 3: Cross multiply
    70,298,634.65x = 105,020,424.68 × 45,504,574.65
  4. Step 4: Simplify right side
    70,298,634.65x = 4,778,909,754,398,239
  5. Step 5: Solve for x
    x = 4,778,909,754,398,239/70,298,634.65
  6. Step 6: Final answer
    x = 67,980,121.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.