Home / 86,865,962.80-130,298,944.20-35,730,986.80

Finding the Fourth Proportional to 86,865,962.80, 130,298,944.20 and 35,730,986.80

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Solution

The fourth proportional to 86,865,962.80, 130,298,944.20 and 35,730,986.80 is: 53,596,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,865,962.80 : 130,298,944.20 = 35,730,986.80 : x
  2. Step 2: Convert to fraction form
    86,865,962.80/130,298,944.20 = 35,730,986.80/x
  3. Step 3: Cross multiply
    86,865,962.80x = 130,298,944.20 × 35,730,986.80
  4. Step 4: Simplify right side
    86,865,962.80x = 4,655,709,855,264,136
  5. Step 5: Solve for x
    x = 4,655,709,855,264,136/86,865,962.80
  6. Step 6: Final answer
    x = 53,596,480.20

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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.