Home / 282,280,855.28-423,374,319.09-85,497,482.43

Finding the Fourth Proportional to 282,280,855.28, 423,374,319.09 and 85,497,482.43

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Solution

The fourth proportional to 282,280,855.28, 423,374,319.09 and 85,497,482.43 is: 128,231,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,280,855.28 : 423,374,319.09 = 85,497,482.43 : x
  2. Step 2: Convert to fraction form
    282,280,855.28/423,374,319.09 = 85,497,482.43/x
  3. Step 3: Cross multiply
    282,280,855.28x = 423,374,319.09 × 85,497,482.43
  4. Step 4: Simplify right side
    282,280,855.28x = 36,197,438,407,710,488
  5. Step 5: Solve for x
    x = 36,197,438,407,710,488/282,280,855.28
  6. Step 6: Final answer
    x = 128,231,999.20

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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.