Home / 82,911,373.61-114,417,056.52-45,743,220.38

Finding the Fourth Proportional to 82,911,373.61, 114,417,056.52 and 45,743,220.38

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Solution

The fourth proportional to 82,911,373.61, 114,417,056.52 and 45,743,220.38 is: 63,125,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,911,373.61 : 114,417,056.52 = 45,743,220.38 : x
  2. Step 2: Convert to fraction form
    82,911,373.61/114,417,056.52 = 45,743,220.38/x
  3. Step 3: Cross multiply
    82,911,373.61x = 114,417,056.52 × 45,743,220.38
  4. Step 4: Simplify right side
    82,911,373.61x = 5,233,804,631,911,318
  5. Step 5: Solve for x
    x = 5,233,804,631,911,318/82,911,373.61
  6. Step 6: Final answer
    x = 63,125,291.55

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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.