Home / 70,130,895.81-105,224,244.35-26,988,515.43

Finding the Fourth Proportional to 70,130,895.81, 105,224,244.35 and 26,988,515.43

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Solution

The fourth proportional to 70,130,895.81, 105,224,244.35 and 26,988,515.43 is: 40,493,510.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,130,895.81 : 105,224,244.35 = 26,988,515.43 : x
  2. Step 2: Convert to fraction form
    70,130,895.81/105,224,244.35 = 26,988,515.43/x
  3. Step 3: Cross multiply
    70,130,895.81x = 105,224,244.35 × 26,988,515.43
  4. Step 4: Simplify right side
    70,130,895.81x = 2,839,846,142,250,065
  5. Step 5: Solve for x
    x = 2,839,846,142,250,065/70,130,895.81
  6. Step 6: Final answer
    x = 40,493,510.16

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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.