Home / 216,746,924.04-299,033,537.94-128,573,382.60

Finding the Fourth Proportional to 216,746,924.04, 299,033,537.94 and 128,573,382.60

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Solution

The fourth proportional to 216,746,924.04, 299,033,537.94 and 128,573,382.60 is: 177,385,463.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,746,924.04 : 299,033,537.94 = 128,573,382.60 : x
  2. Step 2: Convert to fraction form
    216,746,924.04/299,033,537.94 = 128,573,382.60/x
  3. Step 3: Cross multiply
    216,746,924.04x = 299,033,537.94 × 128,573,382.60
  4. Step 4: Simplify right side
    216,746,924.04x = 38,447,753,483,791,232
  5. Step 5: Solve for x
    x = 38,447,753,483,791,232/216,746,924.04
  6. Step 6: Final answer
    x = 177,385,463.04

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1.5x scale

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.