Home / 65,207,820.30-97,811,730.45-39,698,652.30

Finding the Fourth Proportional to 65,207,820.30, 97,811,730.45 and 39,698,652.30

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Solution

The fourth proportional to 65,207,820.30, 97,811,730.45 and 39,698,652.30 is: 59,547,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,207,820.30 : 97,811,730.45 = 39,698,652.30 : x
  2. Step 2: Convert to fraction form
    65,207,820.30/97,811,730.45 = 39,698,652.30/x
  3. Step 3: Cross multiply
    65,207,820.30x = 97,811,730.45 × 39,698,652.30
  4. Step 4: Simplify right side
    65,207,820.30x = 3,882,993,877,995,872.50
  5. Step 5: Solve for x
    x = 3,882,993,877,995,872.50/65,207,820.30
  6. Step 6: Final answer
    x = 59,547,978.45

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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.