Home / 357,686,081.96-535,981,510.08-240,668,005.04

Finding the Fourth Proportional to 357,686,081.96, 535,981,510.08 and 240,668,005.04

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Solution

The fourth proportional to 357,686,081.96, 535,981,510.08 and 240,668,005.04 is: 360,633,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,686,081.96 : 535,981,510.08 = 240,668,005.04 : x
  2. Step 2: Convert to fraction form
    357,686,081.96/535,981,510.08 = 240,668,005.04/x
  3. Step 3: Cross multiply
    357,686,081.96x = 535,981,510.08 × 240,668,005.04
  4. Step 4: Simplify right side
    357,686,081.96x = 128,993,600,768,604,912
  5. Step 5: Solve for x
    x = 128,993,600,768,604,912/357,686,081.96
  6. Step 6: Final answer
    x = 360,633,547.90

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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.