Home / 124,734,032.70-186,817,613.85-78,817,530.30

Finding the Fourth Proportional to 124,734,032.70, 186,817,613.85 and 78,817,530.30

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Solution

The fourth proportional to 124,734,032.70, 186,817,613.85 and 78,817,530.30 is: 118,047,197.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,734,032.70 : 186,817,613.85 = 78,817,530.30 : x
  2. Step 2: Convert to fraction form
    124,734,032.70/186,817,613.85 = 78,817,530.30/x
  3. Step 3: Cross multiply
    124,734,032.70x = 186,817,613.85 × 78,817,530.30
  4. Step 4: Simplify right side
    124,734,032.70x = 14,724,502,940,196,074
  5. Step 5: Solve for x
    x = 14,724,502,940,196,074/124,734,032.70
  6. Step 6: Final answer
    x = 118,047,197.08

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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.