Home / 65,937,518.94-90,981,744.57-38,050,055.40

Finding the Fourth Proportional to 65,937,518.94, 90,981,744.57 and 38,050,055.40

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Solution

The fourth proportional to 65,937,518.94, 90,981,744.57 and 38,050,055.40 is: 52,502,133.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,937,518.94 : 90,981,744.57 = 38,050,055.40 : x
  2. Step 2: Convert to fraction form
    65,937,518.94/90,981,744.57 = 38,050,055.40/x
  3. Step 3: Cross multiply
    65,937,518.94x = 90,981,744.57 × 38,050,055.40
  4. Step 4: Simplify right side
    65,937,518.94x = 3,461,860,421,277,149
  5. Step 5: Solve for x
    x = 3,461,860,421,277,149/65,937,518.94
  6. Step 6: Final answer
    x = 52,502,133.49

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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.