Home / 96,774,381.40-145,161,572.10-72,886,509.40

Finding the Fourth Proportional to 96,774,381.40, 145,161,572.10 and 72,886,509.40

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Solution

The fourth proportional to 96,774,381.40, 145,161,572.10 and 72,886,509.40 is: 109,329,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,774,381.40 : 145,161,572.10 = 72,886,509.40 : x
  2. Step 2: Convert to fraction form
    96,774,381.40/145,161,572.10 = 72,886,509.40/x
  3. Step 3: Cross multiply
    96,774,381.40x = 145,161,572.10 × 72,886,509.40
  4. Step 4: Simplify right side
    96,774,381.40x = 10,580,320,289,385,428
  5. Step 5: Solve for x
    x = 10,580,320,289,385,428/96,774,381.40
  6. Step 6: Final answer
    x = 109,329,764.10

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Similar ratio
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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.