Home / 64,518,394.68-88,975,578.54-47,087,129.40

Finding the Fourth Proportional to 64,518,394.68, 88,975,578.54 and 47,087,129.40

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Solution

The fourth proportional to 64,518,394.68, 88,975,578.54 and 47,087,129.40 is: 64,936,590.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,518,394.68 : 88,975,578.54 = 47,087,129.40 : x
  2. Step 2: Convert to fraction form
    64,518,394.68/88,975,578.54 = 47,087,129.40/x
  3. Step 3: Cross multiply
    64,518,394.68x = 88,975,578.54 × 47,087,129.40
  4. Step 4: Simplify right side
    64,518,394.68x = 4,189,604,580,152,843.50
  5. Step 5: Solve for x
    x = 4,189,604,580,152,843.50/64,518,394.68
  6. Step 6: Final answer
    x = 64,936,590.58

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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.