Home / 105,072,740.40-157,609,110.60-64,761,956.40

Finding the Fourth Proportional to 105,072,740.40, 157,609,110.60 and 64,761,956.40

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Solution

The fourth proportional to 105,072,740.40, 157,609,110.60 and 64,761,956.40 is: 97,142,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,072,740.40 : 157,609,110.60 = 64,761,956.40 : x
  2. Step 2: Convert to fraction form
    105,072,740.40/157,609,110.60 = 64,761,956.40/x
  3. Step 3: Cross multiply
    105,072,740.40x = 157,609,110.60 × 64,761,956.40
  4. Step 4: Simplify right side
    105,072,740.40x = 10,207,074,348,919,978
  5. Step 5: Solve for x
    x = 10,207,074,348,919,978/105,072,740.40
  6. Step 6: Final answer
    x = 97,142,934.60

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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.