Home / 145,129,778.55-217,614,361.16-57,602,626.83

Finding the Fourth Proportional to 145,129,778.55, 217,614,361.16 and 57,602,626.83

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Solution

The fourth proportional to 145,129,778.55, 217,614,361.16 and 57,602,626.83 is: 86,372,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,129,778.55 : 217,614,361.16 = 57,602,626.83 : x
  2. Step 2: Convert to fraction form
    145,129,778.55/217,614,361.16 = 57,602,626.83/x
  3. Step 3: Cross multiply
    145,129,778.55x = 217,614,361.16 × 57,602,626.83
  4. Step 4: Simplify right side
    145,129,778.55x = 12,535,158,838,460,312
  5. Step 5: Solve for x
    x = 12,535,158,838,460,312/145,129,778.55
  6. Step 6: Final answer
    x = 86,372,066.19

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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.