Home / 86,952,209.10-130,428,313.65-83,220,312.30

Finding the Fourth Proportional to 86,952,209.10, 130,428,313.65 and 83,220,312.30

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Solution

The fourth proportional to 86,952,209.10, 130,428,313.65 and 83,220,312.30 is: 124,830,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,952,209.10 : 130,428,313.65 = 83,220,312.30 : x
  2. Step 2: Convert to fraction form
    86,952,209.10/130,428,313.65 = 83,220,312.30/x
  3. Step 3: Cross multiply
    86,952,209.10x = 130,428,313.65 × 83,220,312.30
  4. Step 4: Simplify right side
    86,952,209.10x = 10,854,284,994,715,354
  5. Step 5: Solve for x
    x = 10,854,284,994,715,354/86,952,209.10
  6. Step 6: Final answer
    x = 124,830,468.45

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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.