Home / 175,680,772-263,460,362.10-72,020,547.88

Finding the Fourth Proportional to 175,680,772, 263,460,362.10 and 72,020,547.88

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Solution

The fourth proportional to 175,680,772, 263,460,362.10 and 72,020,547.88 is: 108,005,898.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,680,772 : 263,460,362.10 = 72,020,547.88 : x
  2. Step 2: Convert to fraction form
    175,680,772/263,460,362.10 = 72,020,547.88/x
  3. Step 3: Cross multiply
    175,680,772x = 263,460,362.10 × 72,020,547.88
  4. Step 4: Simplify right side
    175,680,772x = 18,974,559,623,105,184
  5. Step 5: Solve for x
    x = 18,974,559,623,105,184/175,680,772
  6. Step 6: Final answer
    x = 108,005,898.47

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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.