Home / 191,393,312.10-287,089,968.15-89,167,683.30

Finding the Fourth Proportional to 191,393,312.10, 287,089,968.15 and 89,167,683.30

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Solution

The fourth proportional to 191,393,312.10, 287,089,968.15 and 89,167,683.30 is: 133,751,524.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,393,312.10 : 287,089,968.15 = 89,167,683.30 : x
  2. Step 2: Convert to fraction form
    191,393,312.10/287,089,968.15 = 89,167,683.30/x
  3. Step 3: Cross multiply
    191,393,312.10x = 287,089,968.15 × 89,167,683.30
  4. Step 4: Simplify right side
    191,393,312.10x = 25,599,147,358,606,284
  5. Step 5: Solve for x
    x = 25,599,147,358,606,284/191,393,312.10
  6. Step 6: Final answer
    x = 133,751,524.95

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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.