Home / 125,668,829.36-173,424,020.28-70,664,204.72

Finding the Fourth Proportional to 125,668,829.36, 173,424,020.28 and 70,664,204.72

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Solution

The fourth proportional to 125,668,829.36, 173,424,020.28 and 70,664,204.72 is: 97,517,184.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,668,829.36 : 173,424,020.28 = 70,664,204.72 : x
  2. Step 2: Convert to fraction form
    125,668,829.36/173,424,020.28 = 70,664,204.72/x
  3. Step 3: Cross multiply
    125,668,829.36x = 173,424,020.28 × 70,664,204.72
  4. Step 4: Simplify right side
    125,668,829.36x = 12,254,870,472,431,352
  5. Step 5: Solve for x
    x = 12,254,870,472,431,352/125,668,829.36
  6. Step 6: Final answer
    x = 97,517,184.93

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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.