Home / 93,129,373.34-128,521,449.11-53,444,164.28

Finding the Fourth Proportional to 93,129,373.34, 128,521,449.11 and 53,444,164.28

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Solution

The fourth proportional to 93,129,373.34, 128,521,449.11 and 53,444,164.28 is: 73,754,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,129,373.34 : 128,521,449.11 = 53,444,164.28 : x
  2. Step 2: Convert to fraction form
    93,129,373.34/128,521,449.11 = 53,444,164.28/x
  3. Step 3: Cross multiply
    93,129,373.34x = 128,521,449.11 × 53,444,164.28
  4. Step 4: Simplify right side
    93,129,373.34x = 6,868,721,438,828,672
  5. Step 5: Solve for x
    x = 6,868,721,438,828,672/93,129,373.34
  6. Step 6: Final answer
    x = 73,754,618.90

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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.