Home / 118,430,280.40-177,645,420.60-89,732,466.40

Finding the Fourth Proportional to 118,430,280.40, 177,645,420.60 and 89,732,466.40

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Solution

The fourth proportional to 118,430,280.40, 177,645,420.60 and 89,732,466.40 is: 134,598,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,430,280.40 : 177,645,420.60 = 89,732,466.40 : x
  2. Step 2: Convert to fraction form
    118,430,280.40/177,645,420.60 = 89,732,466.40/x
  3. Step 3: Cross multiply
    118,430,280.40x = 177,645,420.60 × 89,732,466.40
  4. Step 4: Simplify right side
    118,430,280.40x = 15,940,561,735,103,368
  5. Step 5: Solve for x
    x = 15,940,561,735,103,368/118,430,280.40
  6. Step 6: Final answer
    x = 134,598,699.60

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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.