Home / 103,397,941,470.60-154,879,711,797.96-65,605,063,385.16

Finding the Fourth Proportional to 103,397,941,470.60, 154,879,711,797.96 and 65,605,063,385.16

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Solution

The fourth proportional to 103,397,941,470.60, 154,879,711,797.96 and 65,605,063,385.16 is: 98,269,783,373.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,397,941,470.60 : 154,879,711,797.96 = 65,605,063,385.16 : x
  2. Step 2: Convert to fraction form
    103,397,941,470.60/154,879,711,797.96 = 65,605,063,385.16/x
  3. Step 3: Cross multiply
    103,397,941,470.60x = 154,879,711,797.96 × 65,605,063,385.16
  4. Step 4: Simplify right side
    103,397,941,470.60x = 10,160,893,309,580,478,513,152
  5. Step 5: Solve for x
    x = 10,160,893,309,580,478,513,152/103,397,941,470.60
  6. Step 6: Final answer
    x = 98,269,783,373.49

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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.