Home / 70,293,569.76-105,437,205.36-19,175,424.48

Finding the Fourth Proportional to 70,293,569.76, 105,437,205.36 and 19,175,424.48

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Solution

The fourth proportional to 70,293,569.76, 105,437,205.36 and 19,175,424.48 is: 28,762,277.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,293,569.76 : 105,437,205.36 = 19,175,424.48 : x
  2. Step 2: Convert to fraction form
    70,293,569.76/105,437,205.36 = 19,175,424.48/x
  3. Step 3: Cross multiply
    70,293,569.76x = 105,437,205.36 × 19,175,424.48
  4. Step 4: Simplify right side
    70,293,569.76x = 2,021,803,168,762,931.25
  5. Step 5: Solve for x
    x = 2,021,803,168,762,931.25/70,293,569.76
  6. Step 6: Final answer
    x = 28,762,277.63

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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.