Home / 103,513,428,363.60-155,270,142,545.40-92,355,718,280.40

Finding the Fourth Proportional to 103,513,428,363.60, 155,270,142,545.40 and 92,355,718,280.40

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Solution

The fourth proportional to 103,513,428,363.60, 155,270,142,545.40 and 92,355,718,280.40 is: 138,533,577,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,513,428,363.60 : 155,270,142,545.40 = 92,355,718,280.40 : x
  2. Step 2: Convert to fraction form
    103,513,428,363.60/155,270,142,545.40 = 92,355,718,280.40/x
  3. Step 3: Cross multiply
    103,513,428,363.60x = 155,270,142,545.40 × 92,355,718,280.40
  4. Step 4: Simplify right side
    103,513,428,363.60x = 14,340,085,542,280,511,881,216
  5. Step 5: Solve for x
    x = 14,340,085,542,280,511,881,216/103,513,428,363.60
  6. Step 6: Final answer
    x = 138,533,577,420.60

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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.