Home / 155,221,408.20-232,832,112.30-142,680,275.40

Finding the Fourth Proportional to 155,221,408.20, 232,832,112.30 and 142,680,275.40

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Solution

The fourth proportional to 155,221,408.20, 232,832,112.30 and 142,680,275.40 is: 214,020,413.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,221,408.20 : 232,832,112.30 = 142,680,275.40 : x
  2. Step 2: Convert to fraction form
    155,221,408.20/232,832,112.30 = 142,680,275.40/x
  3. Step 3: Cross multiply
    155,221,408.20x = 232,832,112.30 × 142,680,275.40
  4. Step 4: Simplify right side
    155,221,408.20x = 33,220,549,904,927,732
  5. Step 5: Solve for x
    x = 33,220,549,904,927,732/155,221,408.20
  6. Step 6: Final answer
    x = 214,020,413.10

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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.