Home / 65,421,207.40-98,131,811.10-52,666,623.40

Finding the Fourth Proportional to 65,421,207.40, 98,131,811.10 and 52,666,623.40

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Solution

The fourth proportional to 65,421,207.40, 98,131,811.10 and 52,666,623.40 is: 78,999,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,421,207.40 : 98,131,811.10 = 52,666,623.40 : x
  2. Step 2: Convert to fraction form
    65,421,207.40/98,131,811.10 = 52,666,623.40/x
  3. Step 3: Cross multiply
    65,421,207.40x = 98,131,811.10 × 52,666,623.40
  4. Step 4: Simplify right side
    65,421,207.40x = 5,168,271,138,763,639
  5. Step 5: Solve for x
    x = 5,168,271,138,763,639/65,421,207.40
  6. Step 6: Final answer
    x = 78,999,935.10

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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.