Home / 86,793,547.80-130,143,017.70-26,201,400.60

Finding the Fourth Proportional to 86,793,547.80, 130,143,017.70 and 26,201,400.60

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Solution

The fourth proportional to 86,793,547.80, 130,143,017.70 and 26,201,400.60 is: 39,287,820.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,793,547.80 : 130,143,017.70 = 26,201,400.60 : x
  2. Step 2: Convert to fraction form
    86,793,547.80/130,143,017.70 = 26,201,400.60/x
  3. Step 3: Cross multiply
    86,793,547.80x = 130,143,017.70 × 26,201,400.60
  4. Step 4: Simplify right side
    86,793,547.80x = 3,409,929,342,050,591
  5. Step 5: Solve for x
    x = 3,409,929,342,050,591/86,793,547.80
  6. Step 6: Final answer
    x = 39,287,820.68

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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.