Home / 77,813,217.88-107,395,303.98-52,683,931.72

Finding the Fourth Proportional to 77,813,217.88, 107,395,303.98 and 52,683,931.72

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Solution

The fourth proportional to 77,813,217.88, 107,395,303.98 and 52,683,931.72 is: 72,712,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,813,217.88 : 107,395,303.98 = 52,683,931.72 : x
  2. Step 2: Convert to fraction form
    77,813,217.88/107,395,303.98 = 52,683,931.72/x
  3. Step 3: Cross multiply
    77,813,217.88x = 107,395,303.98 × 52,683,931.72
  4. Step 4: Simplify right side
    77,813,217.88x = 5,658,006,861,930,964
  5. Step 5: Solve for x
    x = 5,658,006,861,930,964/77,813,217.88
  6. Step 6: Final answer
    x = 72,712,670.37

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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.