Home / 288,717,710.70-433,102,024.89-81,457,934.70

Finding the Fourth Proportional to 288,717,710.70, 433,102,024.89 and 81,457,934.70

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Solution

The fourth proportional to 288,717,710.70, 433,102,024.89 and 81,457,934.70 is: 122,194,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,717,710.70 : 433,102,024.89 = 81,457,934.70 : x
  2. Step 2: Convert to fraction form
    288,717,710.70/433,102,024.89 = 81,457,934.70/x
  3. Step 3: Cross multiply
    288,717,710.70x = 433,102,024.89 × 81,457,934.70
  4. Step 4: Simplify right side
    288,717,710.70x = 35,279,596,461,927,396
  5. Step 5: Solve for x
    x = 35,279,596,461,927,396/288,717,710.70
  6. Step 6: Final answer
    x = 122,194,084.93

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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.