Home / 102,513,816.60-153,546,776.10-79,615,051.80

Finding the Fourth Proportional to 102,513,816.60, 153,546,776.10 and 79,615,051.80

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Solution

The fourth proportional to 102,513,816.60, 153,546,776.10 and 79,615,051.80 is: 119,248,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,513,816.60 : 153,546,776.10 = 79,615,051.80 : x
  2. Step 2: Convert to fraction form
    102,513,816.60/153,546,776.10 = 79,615,051.80/x
  3. Step 3: Cross multiply
    102,513,816.60x = 153,546,776.10 × 79,615,051.80
  4. Step 4: Simplify right side
    102,513,816.60x = 12,224,634,532,924,502
  5. Step 5: Solve for x
    x = 12,224,634,532,924,502/102,513,816.60
  6. Step 6: Final answer
    x = 119,248,652.90

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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.