Home / 287,963,158.53-397,276,085.46-167,240,594.76

Finding the Fourth Proportional to 287,963,158.53, 397,276,085.46 and 167,240,594.76

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Solution

The fourth proportional to 287,963,158.53, 397,276,085.46 and 167,240,594.76 is: 230,726,351.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,963,158.53 : 397,276,085.46 = 167,240,594.76 : x
  2. Step 2: Convert to fraction form
    287,963,158.53/397,276,085.46 = 167,240,594.76/x
  3. Step 3: Cross multiply
    287,963,158.53x = 397,276,085.46 × 167,240,594.76
  4. Step 4: Simplify right side
    287,963,158.53x = 66,440,688,816,254,984
  5. Step 5: Solve for x
    x = 66,440,688,816,254,984/287,963,158.53
  6. Step 6: Final answer
    x = 230,726,351.09

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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.