Home / 78,746,064.40-109,975,751.60-78,746,064.40

Finding the Fourth Proportional to 78,746,064.40, 109,975,751.60 and 78,746,064.40

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Solution

The fourth proportional to 78,746,064.40, 109,975,751.60 and 78,746,064.40 is: 109,975,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,746,064.40 : 109,975,751.60 = 78,746,064.40 : x
  2. Step 2: Convert to fraction form
    78,746,064.40/109,975,751.60 = 78,746,064.40/x
  3. Step 3: Cross multiply
    78,746,064.40x = 109,975,751.60 × 78,746,064.40
  4. Step 4: Simplify right side
    78,746,064.40x = 8,660,157,617,932,003
  5. Step 5: Solve for x
    x = 8,660,157,617,932,003/78,746,064.40
  6. Step 6: Final answer
    x = 109,975,751.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.