Home / 55,550,763.12-83,330,130.48-19,158,618.36

Finding the Fourth Proportional to 55,550,763.12, 83,330,130.48 and 19,158,618.36

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Solution

The fourth proportional to 55,550,763.12, 83,330,130.48 and 19,158,618.36 is: 28,739,302.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,550,763.12 : 83,330,130.48 = 19,158,618.36 : x
  2. Step 2: Convert to fraction form
    55,550,763.12/83,330,130.48 = 19,158,618.36/x
  3. Step 3: Cross multiply
    55,550,763.12x = 83,330,130.48 × 19,158,618.36
  4. Step 4: Simplify right side
    55,550,763.12x = 1,596,490,167,755,323.75
  5. Step 5: Solve for x
    x = 1,596,490,167,755,323.75/55,550,763.12
  6. Step 6: Final answer
    x = 28,739,302.18

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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.