Home / 163,735,122.45-245,602,683.68-77,641,680.45

Finding the Fourth Proportional to 163,735,122.45, 245,602,683.68 and 77,641,680.45

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Solution

The fourth proportional to 163,735,122.45, 245,602,683.68 and 77,641,680.45 is: 116,462,520.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,735,122.45 : 245,602,683.68 = 77,641,680.45 : x
  2. Step 2: Convert to fraction form
    163,735,122.45/245,602,683.68 = 77,641,680.45/x
  3. Step 3: Cross multiply
    163,735,122.45x = 245,602,683.68 × 77,641,680.45
  4. Step 4: Simplify right side
    163,735,122.45x = 19,069,005,083,556,784
  5. Step 5: Solve for x
    x = 19,069,005,083,556,784/163,735,122.45
  6. Step 6: Final answer
    x = 116,462,520.68

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1.5x scale

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.