Home / 60,739,746.60-91,109,619.90-19,799,106.60

Finding the Fourth Proportional to 60,739,746.60, 91,109,619.90 and 19,799,106.60

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Solution

The fourth proportional to 60,739,746.60, 91,109,619.90 and 19,799,106.60 is: 29,698,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,739,746.60 : 91,109,619.90 = 19,799,106.60 : x
  2. Step 2: Convert to fraction form
    60,739,746.60/91,109,619.90 = 19,799,106.60/x
  3. Step 3: Cross multiply
    60,739,746.60x = 91,109,619.90 × 19,799,106.60
  4. Step 4: Simplify right side
    60,739,746.60x = 1,803,889,076,685,581.50
  5. Step 5: Solve for x
    x = 1,803,889,076,685,581.50/60,739,746.60
  6. Step 6: Final answer
    x = 29,698,659.90

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Double scale
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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.