Home / 283,124,954.16-390,724,558.65-157,677,149.25

Finding the Fourth Proportional to 283,124,954.16, 390,724,558.65 and 157,677,149.25

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Solution

The fourth proportional to 283,124,954.16, 390,724,558.65 and 157,677,149.25 is: 217,601,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,124,954.16 : 390,724,558.65 = 157,677,149.25 : x
  2. Step 2: Convert to fraction form
    283,124,954.16/390,724,558.65 = 157,677,149.25/x
  3. Step 3: Cross multiply
    283,124,954.16x = 390,724,558.65 × 157,677,149.25
  4. Step 4: Simplify right side
    283,124,954.16x = 61,608,334,549,896,424
  5. Step 5: Solve for x
    x = 61,608,334,549,896,424/283,124,954.16
  6. Step 6: Final answer
    x = 217,601,216.86

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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.