Home / 78,904,341.68-108,891,355.12-44,097,031.40

Finding the Fourth Proportional to 78,904,341.68, 108,891,355.12 and 44,097,031.40

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Solution

The fourth proportional to 78,904,341.68, 108,891,355.12 and 44,097,031.40 is: 60,855,783.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,904,341.68 : 108,891,355.12 = 44,097,031.40 : x
  2. Step 2: Convert to fraction form
    78,904,341.68/108,891,355.12 = 44,097,031.40/x
  3. Step 3: Cross multiply
    78,904,341.68x = 108,891,355.12 × 44,097,031.40
  4. Step 4: Simplify right side
    78,904,341.68x = 4,801,785,505,260,492
  5. Step 5: Solve for x
    x = 4,801,785,505,260,492/78,904,341.68
  6. Step 6: Final answer
    x = 60,855,783.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.