Home / 169,490,445.10-254,313,856.78-77,402,413.42

Finding the Fourth Proportional to 169,490,445.10, 254,313,856.78 and 77,402,413.42

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Solution

The fourth proportional to 169,490,445.10, 254,313,856.78 and 77,402,413.42 is: 116,139,327.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,490,445.10 : 254,313,856.78 = 77,402,413.42 : x
  2. Step 2: Convert to fraction form
    169,490,445.10/254,313,856.78 = 77,402,413.42/x
  3. Step 3: Cross multiply
    169,490,445.10x = 254,313,856.78 × 77,402,413.42
  4. Step 4: Simplify right side
    169,490,445.10x = 19,684,506,280,920,232
  5. Step 5: Solve for x
    x = 19,684,506,280,920,232/169,490,445.10
  6. Step 6: Final answer
    x = 116,139,327.32

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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.