Home / 85,643,036,856.45-118,180,461,894.10-49,516,387,150.19

Finding the Fourth Proportional to 85,643,036,856.45, 118,180,461,894.10 and 49,516,387,150.19

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Solution

The fourth proportional to 85,643,036,856.45, 118,180,461,894.10 and 49,516,387,150.19 is: 68,328,608,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,643,036,856.45 : 118,180,461,894.10 = 49,516,387,150.19 : x
  2. Step 2: Convert to fraction form
    85,643,036,856.45/118,180,461,894.10 = 49,516,387,150.19/x
  3. Step 3: Cross multiply
    85,643,036,856.45x = 118,180,461,894.10 × 49,516,387,150.19
  4. Step 4: Simplify right side
    85,643,036,856.45x = 5,851,869,504,735,941,754,880
  5. Step 5: Solve for x
    x = 5,851,869,504,735,941,754,880/85,643,036,856.45
  6. Step 6: Final answer
    x = 68,328,608,133.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.