Home / 71,287,938,002.40-106,931,907,003.60-59,781,549,479.10

Finding the Fourth Proportional to 71,287,938,002.40, 106,931,907,003.60 and 59,781,549,479.10

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Solution

The fourth proportional to 71,287,938,002.40, 106,931,907,003.60 and 59,781,549,479.10 is: 89,672,324,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,287,938,002.40 : 106,931,907,003.60 = 59,781,549,479.10 : x
  2. Step 2: Convert to fraction form
    71,287,938,002.40/106,931,907,003.60 = 59,781,549,479.10/x
  3. Step 3: Cross multiply
    71,287,938,002.40x = 106,931,907,003.60 × 59,781,549,479.10
  4. Step 4: Simplify right side
    71,287,938,002.40x = 6,392,555,089,430,233,219,072
  5. Step 5: Solve for x
    x = 6,392,555,089,430,233,219,072/71,287,938,002.40
  6. Step 6: Final answer
    x = 89,672,324,218.65

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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.