Home / 69,008,952,242.40-103,513,428,363.60-61,570,478,853.60

Finding the Fourth Proportional to 69,008,952,242.40, 103,513,428,363.60 and 61,570,478,853.60

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Solution

The fourth proportional to 69,008,952,242.40, 103,513,428,363.60 and 61,570,478,853.60 is: 92,355,718,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,008,952,242.40 : 103,513,428,363.60 = 61,570,478,853.60 : x
  2. Step 2: Convert to fraction form
    69,008,952,242.40/103,513,428,363.60 = 61,570,478,853.60/x
  3. Step 3: Cross multiply
    69,008,952,242.40x = 103,513,428,363.60 × 61,570,478,853.60
  4. Step 4: Simplify right side
    69,008,952,242.40x = 6,373,371,352,124,672,180,224
  5. Step 5: Solve for x
    x = 6,373,371,352,124,672,180,224/69,008,952,242.40
  6. Step 6: Final answer
    x = 92,355,718,280.40

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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.