Home / 77,704,574.50-107,229,496.29-42,896,515.78

Finding the Fourth Proportional to 77,704,574.50, 107,229,496.29 and 42,896,515.78

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Solution

The fourth proportional to 77,704,574.50, 107,229,496.29 and 42,896,515.78 is: 59,195,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,704,574.50 : 107,229,496.29 = 42,896,515.78 : x
  2. Step 2: Convert to fraction form
    77,704,574.50/107,229,496.29 = 42,896,515.78/x
  3. Step 3: Cross multiply
    77,704,574.50x = 107,229,496.29 × 42,896,515.78
  4. Step 4: Simplify right side
    77,704,574.50x = 4,599,771,779,685,437
  5. Step 5: Solve for x
    x = 4,599,771,779,685,437/77,704,574.50
  6. Step 6: Final answer
    x = 59,195,636.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.