Home / 91,249,444.05-125,923,715.04-49,434,323.91

Finding the Fourth Proportional to 91,249,444.05, 125,923,715.04 and 49,434,323.91

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Solution

The fourth proportional to 91,249,444.05, 125,923,715.04 and 49,434,323.91 is: 68,219,086.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,249,444.05 : 125,923,715.04 = 49,434,323.91 : x
  2. Step 2: Convert to fraction form
    91,249,444.05/125,923,715.04 = 49,434,323.91/x
  3. Step 3: Cross multiply
    91,249,444.05x = 125,923,715.04 × 49,434,323.91
  4. Step 4: Simplify right side
    91,249,444.05x = 6,224,953,717,237,898
  5. Step 5: Solve for x
    x = 6,224,953,717,237,898/91,249,444.05
  6. Step 6: Final answer
    x = 68,219,086.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.