Home / 86,829,934.33-119,828,679.11-47,673,361.45

Finding the Fourth Proportional to 86,829,934.33, 119,828,679.11 and 47,673,361.45

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Solution

The fourth proportional to 86,829,934.33, 119,828,679.11 and 47,673,361.45 is: 65,791,088.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,829,934.33 : 119,828,679.11 = 47,673,361.45 : x
  2. Step 2: Convert to fraction form
    86,829,934.33/119,828,679.11 = 47,673,361.45/x
  3. Step 3: Cross multiply
    86,829,934.33x = 119,828,679.11 × 47,673,361.45
  4. Step 4: Simplify right side
    86,829,934.33x = 5,712,635,931,287,095
  5. Step 5: Solve for x
    x = 5,712,635,931,287,095/86,829,934.33
  6. Step 6: Final answer
    x = 65,791,088.93

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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.