Home / 81,605,124.28-112,610,667.08-46,799,281.72

Finding the Fourth Proportional to 81,605,124.28, 112,610,667.08 and 46,799,281.72

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Solution

The fourth proportional to 81,605,124.28, 112,610,667.08 and 46,799,281.72 is: 64,580,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,605,124.28 : 112,610,667.08 = 46,799,281.72 : x
  2. Step 2: Convert to fraction form
    81,605,124.28/112,610,667.08 = 46,799,281.72/x
  3. Step 3: Cross multiply
    81,605,124.28x = 112,610,667.08 × 46,799,281.72
  4. Step 4: Simplify right side
    81,605,124.28x = 5,270,098,333,354,050
  5. Step 5: Solve for x
    x = 5,270,098,333,354,050/81,605,124.28
  6. Step 6: Final answer
    x = 64,580,482.90

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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.