Home / 191,393,313.10-287,089,969.65-89,167,684.30

Finding the Fourth Proportional to 191,393,313.10, 287,089,969.65 and 89,167,684.30

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Solution

The fourth proportional to 191,393,313.10, 287,089,969.65 and 89,167,684.30 is: 133,751,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,393,313.10 : 287,089,969.65 = 89,167,684.30 : x
  2. Step 2: Convert to fraction form
    191,393,313.10/287,089,969.65 = 89,167,684.30/x
  3. Step 3: Cross multiply
    191,393,313.10x = 287,089,969.65 × 89,167,684.30
  4. Step 4: Simplify right side
    191,393,313.10x = 25,599,147,779,447,780
  5. Step 5: Solve for x
    x = 25,599,147,779,447,780/191,393,313.10
  6. Step 6: Final answer
    x = 133,751,526.45

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1.5x scale

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.