Home / 55,730,411.70-83,595,617.55-19,326,703.20

Finding the Fourth Proportional to 55,730,411.70, 83,595,617.55 and 19,326,703.20

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Solution

The fourth proportional to 55,730,411.70, 83,595,617.55 and 19,326,703.20 is: 28,990,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,730,411.70 : 83,595,617.55 = 19,326,703.20 : x
  2. Step 2: Convert to fraction form
    55,730,411.70/83,595,617.55 = 19,326,703.20/x
  3. Step 3: Cross multiply
    55,730,411.70x = 83,595,617.55 × 19,326,703.20
  4. Step 4: Simplify right side
    55,730,411.70x = 1,615,627,689,209,561
  5. Step 5: Solve for x
    x = 1,615,627,689,209,561/55,730,411.70
  6. Step 6: Final answer
    x = 28,990,054.80

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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.