Home / 288,597,117.52-432,889,370.16-70,248,612.16

Finding the Fourth Proportional to 288,597,117.52, 432,889,370.16 and 70,248,612.16

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Solution

The fourth proportional to 288,597,117.52, 432,889,370.16 and 70,248,612.16 is: 105,371,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,597,117.52 : 432,889,370.16 = 70,248,612.16 : x
  2. Step 2: Convert to fraction form
    288,597,117.52/432,889,370.16 = 70,248,612.16/x
  3. Step 3: Cross multiply
    288,597,117.52x = 432,889,370.16 × 70,248,612.16
  4. Step 4: Simplify right side
    288,597,117.52x = 30,409,877,472,556,516
  5. Step 5: Solve for x
    x = 30,409,877,472,556,516/288,597,117.52
  6. Step 6: Final answer
    x = 105,371,383.24

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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.