Home / 86,271,126.40-129,470,960.10-63,301,416.28

Finding the Fourth Proportional to 86,271,126.40, 129,470,960.10 and 63,301,416.28

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Solution

The fourth proportional to 86,271,126.40, 129,470,960.10 and 63,301,416.28 is: 94,999,282.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,271,126.40 : 129,470,960.10 = 63,301,416.28 : x
  2. Step 2: Convert to fraction form
    86,271,126.40/129,470,960.10 = 63,301,416.28/x
  3. Step 3: Cross multiply
    86,271,126.40x = 129,470,960.10 × 63,301,416.28
  4. Step 4: Simplify right side
    86,271,126.40x = 8,195,695,141,461,370
  5. Step 5: Solve for x
    x = 8,195,695,141,461,370/86,271,126.40
  6. Step 6: Final answer
    x = 94,999,282.88

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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.