Home / 186,366,934.80-279,547,777.80-84,130,808.40

Finding the Fourth Proportional to 186,366,934.80, 279,547,777.80 and 84,130,808.40

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Solution

The fourth proportional to 186,366,934.80, 279,547,777.80 and 84,130,808.40 is: 126,195,027.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,366,934.80 : 279,547,777.80 = 84,130,808.40 : x
  2. Step 2: Convert to fraction form
    186,366,934.80/279,547,777.80 = 84,130,808.40/x
  3. Step 3: Cross multiply
    186,366,934.80x = 279,547,777.80 × 84,130,808.40
  4. Step 4: Simplify right side
    186,366,934.80x = 23,518,580,532,737,576
  5. Step 5: Solve for x
    x = 23,518,580,532,737,576/186,366,934.80
  6. Step 6: Final answer
    x = 126,195,027.88

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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.