Home / 146,706,063.60-220,059,095.40-78,681,615.60

Finding the Fourth Proportional to 146,706,063.60, 220,059,095.40 and 78,681,615.60

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Solution

The fourth proportional to 146,706,063.60, 220,059,095.40 and 78,681,615.60 is: 118,022,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,706,063.60 : 220,059,095.40 = 78,681,615.60 : x
  2. Step 2: Convert to fraction form
    146,706,063.60/220,059,095.40 = 78,681,615.60/x
  3. Step 3: Cross multiply
    146,706,063.60x = 220,059,095.40 × 78,681,615.60
  4. Step 4: Simplify right side
    146,706,063.60x = 17,314,605,153,546,528
  5. Step 5: Solve for x
    x = 17,314,605,153,546,528/146,706,063.60
  6. Step 6: Final answer
    x = 118,022,423.40

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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.