Home / 341,539,658.10-512,309,487.15-86,238,026.10

Finding the Fourth Proportional to 341,539,658.10, 512,309,487.15 and 86,238,026.10

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Solution

The fourth proportional to 341,539,658.10, 512,309,487.15 and 86,238,026.10 is: 129,357,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,539,658.10 : 512,309,487.15 = 86,238,026.10 : x
  2. Step 2: Convert to fraction form
    341,539,658.10/512,309,487.15 = 86,238,026.10/x
  3. Step 3: Cross multiply
    341,539,658.10x = 512,309,487.15 × 86,238,026.10
  4. Step 4: Simplify right side
    341,539,658.10x = 44,180,558,924,119,312
  5. Step 5: Solve for x
    x = 44,180,558,924,119,312/341,539,658.10
  6. Step 6: Final answer
    x = 129,357,039.15

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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.