Home / 87,249,569.60-130,873,125.60-39,380,436.80

Finding the Fourth Proportional to 87,249,569.60, 130,873,125.60 and 39,380,436.80

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Solution

The fourth proportional to 87,249,569.60, 130,873,125.60 and 39,380,436.80 is: 59,070,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,249,569.60 : 130,873,125.60 = 39,380,436.80 : x
  2. Step 2: Convert to fraction form
    87,249,569.60/130,873,125.60 = 39,380,436.80/x
  3. Step 3: Cross multiply
    87,249,569.60x = 130,873,125.60 × 39,380,436.80
  4. Step 4: Simplify right side
    87,249,569.60x = 5,153,840,851,509,261
  5. Step 5: Solve for x
    x = 5,153,840,851,509,261/87,249,569.60
  6. Step 6: Final answer
    x = 59,070,100.58

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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.