Home / 82,912,688.40-124,369,032.60-63,780,812.40

Finding the Fourth Proportional to 82,912,688.40, 124,369,032.60 and 63,780,812.40

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Solution

The fourth proportional to 82,912,688.40, 124,369,032.60 and 63,780,812.40 is: 95,671,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,912,688.40 : 124,369,032.60 = 63,780,812.40 : x
  2. Step 2: Convert to fraction form
    82,912,688.40/124,369,032.60 = 63,780,812.40/x
  3. Step 3: Cross multiply
    82,912,688.40x = 124,369,032.60 × 63,780,812.40
  4. Step 4: Simplify right side
    82,912,688.40x = 7,932,357,936,630,084
  5. Step 5: Solve for x
    x = 7,932,357,936,630,084/82,912,688.40
  6. Step 6: Final answer
    x = 95,671,218.60

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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.