Home / 100,106,427.60-150,159,641.40-31,956,008.40

Finding the Fourth Proportional to 100,106,427.60, 150,159,641.40 and 31,956,008.40

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Solution

The fourth proportional to 100,106,427.60, 150,159,641.40 and 31,956,008.40 is: 47,934,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,106,427.60 : 150,159,641.40 = 31,956,008.40 : x
  2. Step 2: Convert to fraction form
    100,106,427.60/150,159,641.40 = 31,956,008.40/x
  3. Step 3: Cross multiply
    100,106,427.60x = 150,159,641.40 × 31,956,008.40
  4. Step 4: Simplify right side
    100,106,427.60x = 4,798,502,761,919,388
  5. Step 5: Solve for x
    x = 4,798,502,761,919,388/100,106,427.60
  6. Step 6: Final answer
    x = 47,934,012.60

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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.