Home / 128,111,762.79-192,127,904.93-46,219,994.93

Finding the Fourth Proportional to 128,111,762.79, 192,127,904.93 and 46,219,994.93

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Solution

The fourth proportional to 128,111,762.79, 192,127,904.93 and 46,219,994.93 is: 69,315,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,111,762.79 : 192,127,904.93 = 46,219,994.93 : x
  2. Step 2: Convert to fraction form
    128,111,762.79/192,127,904.93 = 46,219,994.93/x
  3. Step 3: Cross multiply
    128,111,762.79x = 192,127,904.93 × 46,219,994.93
  4. Step 4: Simplify right side
    128,111,762.79x = 8,880,150,791,776,122
  5. Step 5: Solve for x
    x = 8,880,150,791,776,122/128,111,762.79
  6. Step 6: Final answer
    x = 69,315,655.32

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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.