Home / 72,966,176.10-100,695,581.64-39,927,817.74

Finding the Fourth Proportional to 72,966,176.10, 100,695,581.64 and 39,927,817.74

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Solution

The fourth proportional to 72,966,176.10, 100,695,581.64 and 39,927,817.74 is: 55,101,624.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,966,176.10 : 100,695,581.64 = 39,927,817.74 : x
  2. Step 2: Convert to fraction form
    72,966,176.10/100,695,581.64 = 39,927,817.74/x
  3. Step 3: Cross multiply
    72,966,176.10x = 100,695,581.64 × 39,927,817.74
  4. Step 4: Simplify right side
    72,966,176.10x = 4,020,554,830,945,210.50
  5. Step 5: Solve for x
    x = 4,020,554,830,945,210.50/72,966,176.10
  6. Step 6: Final answer
    x = 55,101,624.42

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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.