Home / 85,683,871.32-118,247,132.76-48,007,360.22

Finding the Fourth Proportional to 85,683,871.32, 118,247,132.76 and 48,007,360.22

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Solution

The fourth proportional to 85,683,871.32, 118,247,132.76 and 48,007,360.22 is: 66,252,056.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,683,871.32 : 118,247,132.76 = 48,007,360.22 : x
  2. Step 2: Convert to fraction form
    85,683,871.32/118,247,132.76 = 48,007,360.22/x
  3. Step 3: Cross multiply
    85,683,871.32x = 118,247,132.76 × 48,007,360.22
  4. Step 4: Simplify right side
    85,683,871.32x = 5,676,732,697,391,483
  5. Step 5: Solve for x
    x = 5,676,732,697,391,483/85,683,871.32
  6. Step 6: Final answer
    x = 66,252,056.66

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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.