Home / 98,415,748.80-147,623,623.20-52,499,246.40

Finding the Fourth Proportional to 98,415,748.80, 147,623,623.20 and 52,499,246.40

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Solution

The fourth proportional to 98,415,748.80, 147,623,623.20 and 52,499,246.40 is: 78,748,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,748.80 : 147,623,623.20 = 52,499,246.40 : x
  2. Step 2: Convert to fraction form
    98,415,748.80/147,623,623.20 = 52,499,246.40/x
  3. Step 3: Cross multiply
    98,415,748.80x = 147,623,623.20 × 52,499,246.40
  4. Step 4: Simplify right side
    98,415,748.80x = 7,750,128,968,837,556
  5. Step 5: Solve for x
    x = 7,750,128,968,837,556/98,415,748.80
  6. Step 6: Final answer
    x = 78,748,869.60

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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.