Home / 77,477,655.60-106,923,998.16-42,670,337.22

Finding the Fourth Proportional to 77,477,655.60, 106,923,998.16 and 42,670,337.22

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Solution

The fourth proportional to 77,477,655.60, 106,923,998.16 and 42,670,337.22 is: 58,887,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,477,655.60 : 106,923,998.16 = 42,670,337.22 : x
  2. Step 2: Convert to fraction form
    77,477,655.60/106,923,998.16 = 42,670,337.22/x
  3. Step 3: Cross multiply
    77,477,655.60x = 106,923,998.16 × 42,670,337.22
  4. Step 4: Simplify right side
    77,477,655.60x = 4,562,483,058,397,859
  5. Step 5: Solve for x
    x = 4,562,483,058,397,859/77,477,655.60
  6. Step 6: Final answer
    x = 58,887,727.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.