Home / 103,397,941,526.16-154,879,711,880.73-65,605,063,441.20

Finding the Fourth Proportional to 103,397,941,526.16, 154,879,711,880.73 and 65,605,063,441.20

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Solution

The fourth proportional to 103,397,941,526.16, 154,879,711,880.73 and 65,605,063,441.20 is: 98,269,783,457.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,397,941,526.16 : 154,879,711,880.73 = 65,605,063,441.20 : x
  2. Step 2: Convert to fraction form
    103,397,941,526.16/154,879,711,880.73 = 65,605,063,441.20/x
  3. Step 3: Cross multiply
    103,397,941,526.16x = 154,879,711,880.73 × 65,605,063,441.20
  4. Step 4: Simplify right side
    103,397,941,526.16x = 10,160,893,323,690,068,934,656
  5. Step 5: Solve for x
    x = 10,160,893,323,690,068,934,656/103,397,941,526.16
  6. Step 6: Final answer
    x = 98,269,783,457.14

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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.