Home / 284,283,585.96-392,331,649.48-157,121,528.72

Finding the Fourth Proportional to 284,283,585.96, 392,331,649.48 and 157,121,528.72

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Solution

The fourth proportional to 284,283,585.96, 392,331,649.48 and 157,121,528.72 is: 216,838,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,283,585.96 : 392,331,649.48 = 157,121,528.72 : x
  2. Step 2: Convert to fraction form
    284,283,585.96/392,331,649.48 = 157,121,528.72/x
  3. Step 3: Cross multiply
    284,283,585.96x = 392,331,649.48 × 157,121,528.72
  4. Step 4: Simplify right side
    284,283,585.96x = 61,643,748,529,182,336
  5. Step 5: Solve for x
    x = 61,643,748,529,182,336/284,283,585.96
  6. Step 6: Final answer
    x = 216,838,929.76

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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.