Home / 86,824,106.69-119,818,671.05-47,669,492.93

Finding the Fourth Proportional to 86,824,106.69, 119,818,671.05 and 47,669,492.93

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Solution

The fourth proportional to 86,824,106.69, 119,818,671.05 and 47,669,492.93 is: 65,784,670.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,824,106.69 : 119,818,671.05 = 47,669,492.93 : x
  2. Step 2: Convert to fraction form
    86,824,106.69/119,818,671.05 = 47,669,492.93/x
  3. Step 3: Cross multiply
    86,824,106.69x = 119,818,671.05 × 47,669,492.93
  4. Step 4: Simplify right side
    86,824,106.69x = 5,711,695,292,020,050
  5. Step 5: Solve for x
    x = 5,711,695,292,020,050/86,824,106.69
  6. Step 6: Final answer
    x = 65,784,670.99

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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.