Home / 98,496,437.60-147,744,656.40-57,681,768.80

Finding the Fourth Proportional to 98,496,437.60, 147,744,656.40 and 57,681,768.80

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Solution

The fourth proportional to 98,496,437.60, 147,744,656.40 and 57,681,768.80 is: 86,522,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,496,437.60 : 147,744,656.40 = 57,681,768.80 : x
  2. Step 2: Convert to fraction form
    98,496,437.60/147,744,656.40 = 57,681,768.80/x
  3. Step 3: Cross multiply
    98,496,437.60x = 147,744,656.40 × 57,681,768.80
  4. Step 4: Simplify right side
    98,496,437.60x = 8,522,173,111,900,240
  5. Step 5: Solve for x
    x = 8,522,173,111,900,240/98,496,437.60
  6. Step 6: Final answer
    x = 86,522,653.20

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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.