Home / 98,859,416.40-147,990,526.20-86,915,480.40

Finding the Fourth Proportional to 98,859,416.40, 147,990,526.20 and 86,915,480.40

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Solution

The fourth proportional to 98,859,416.40, 147,990,526.20 and 86,915,480.40 is: 130,110,698.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,859,416.40 : 147,990,526.20 = 86,915,480.40 : x
  2. Step 2: Convert to fraction form
    98,859,416.40/147,990,526.20 = 86,915,480.40/x
  3. Step 3: Cross multiply
    98,859,416.40x = 147,990,526.20 × 86,915,480.40
  4. Step 4: Simplify right side
    98,859,416.40x = 12,862,667,679,321,786
  5. Step 5: Solve for x
    x = 12,862,667,679,321,786/98,859,416.40
  6. Step 6: Final answer
    x = 130,110,698.08

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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.