Home / 460,643,345.03-690,965,017.56-153,935,457.91

Finding the Fourth Proportional to 460,643,345.03, 690,965,017.56 and 153,935,457.91

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Solution

The fourth proportional to 460,643,345.03, 690,965,017.56 and 153,935,457.91 is: 230,903,186.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,643,345.03 : 690,965,017.56 = 153,935,457.91 : x
  2. Step 2: Convert to fraction form
    460,643,345.03/690,965,017.56 = 153,935,457.91/x
  3. Step 3: Cross multiply
    460,643,345.03x = 690,965,017.56 × 153,935,457.91
  4. Step 4: Simplify right side
    460,643,345.03x = 106,364,016,377,889,776
  5. Step 5: Solve for x
    x = 106,364,016,377,889,776/460,643,345.03
  6. Step 6: Final answer
    x = 230,903,186.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.