Home / 60,426,078.30-90,639,117.45-50,860,140.30

Finding the Fourth Proportional to 60,426,078.30, 90,639,117.45 and 50,860,140.30

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Solution

The fourth proportional to 60,426,078.30, 90,639,117.45 and 50,860,140.30 is: 76,290,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,426,078.30 : 90,639,117.45 = 50,860,140.30 : x
  2. Step 2: Convert to fraction form
    60,426,078.30/90,639,117.45 = 50,860,140.30/x
  3. Step 3: Cross multiply
    60,426,078.30x = 90,639,117.45 × 50,860,140.30
  4. Step 4: Simplify right side
    60,426,078.30x = 4,609,918,230,175,178
  5. Step 5: Solve for x
    x = 4,609,918,230,175,178/60,426,078.30
  6. Step 6: Final answer
    x = 76,290,210.45

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Double scale
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Similar ratio
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1.5x scale

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.