Home / 78,735,995.30-118,121,707.65-46,371,238.40

Finding the Fourth Proportional to 78,735,995.30, 118,121,707.65 and 46,371,238.40

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Solution

The fourth proportional to 78,735,995.30, 118,121,707.65 and 46,371,238.40 is: 69,567,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,735,995.30 : 118,121,707.65 = 46,371,238.40 : x
  2. Step 2: Convert to fraction form
    78,735,995.30/118,121,707.65 = 46,371,238.40/x
  3. Step 3: Cross multiply
    78,735,995.30x = 118,121,707.65 × 46,371,238.40
  4. Step 4: Simplify right side
    78,735,995.30x = 5,477,449,865,653,254
  5. Step 5: Solve for x
    x = 5,477,449,865,653,254/78,735,995.30
  6. Step 6: Final answer
    x = 69,567,290.60

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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.