Home / 91,249,545.36-125,923,855.16-49,434,428.51

Finding the Fourth Proportional to 91,249,545.36, 125,923,855.16 and 49,434,428.51

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Solution

The fourth proportional to 91,249,545.36, 125,923,855.16 and 49,434,428.51 is: 68,219,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,249,545.36 : 125,923,855.16 = 49,434,428.51 : x
  2. Step 2: Convert to fraction form
    91,249,545.36/125,923,855.16 = 49,434,428.51/x
  3. Step 3: Cross multiply
    91,249,545.36x = 125,923,855.16 × 49,434,428.51
  4. Step 4: Simplify right side
    91,249,545.36x = 6,224,973,815,678,253
  5. Step 5: Solve for x
    x = 6,224,973,815,678,253/91,249,545.36
  6. Step 6: Final answer
    x = 68,219,231.03

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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.