Home / 289,979,500.23-434,834,395.07-105,618,632.13

Finding the Fourth Proportional to 289,979,500.23, 434,834,395.07 and 105,618,632.13

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Solution

The fourth proportional to 289,979,500.23, 434,834,395.07 and 105,618,632.13 is: 158,378,830.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,979,500.23 : 434,834,395.07 = 105,618,632.13 : x
  2. Step 2: Convert to fraction form
    289,979,500.23/434,834,395.07 = 105,618,632.13/x
  3. Step 3: Cross multiply
    289,979,500.23x = 434,834,395.07 × 105,618,632.13
  4. Step 4: Simplify right side
    289,979,500.23x = 45,926,614,009,841,320
  5. Step 5: Solve for x
    x = 45,926,614,009,841,320/289,979,500.23
  6. Step 6: Final answer
    x = 158,378,830.14

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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.