Home / 158,068,017.13-218,136,446.16-86,539,705.39

Finding the Fourth Proportional to 158,068,017.13, 218,136,446.16 and 86,539,705.39

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Solution

The fourth proportional to 158,068,017.13, 218,136,446.16 and 86,539,705.39 is: 119,426,207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,068,017.13 : 218,136,446.16 = 86,539,705.39 : x
  2. Step 2: Convert to fraction form
    158,068,017.13/218,136,446.16 = 86,539,705.39/x
  3. Step 3: Cross multiply
    158,068,017.13x = 218,136,446.16 × 86,539,705.39
  4. Step 4: Simplify right side
    158,068,017.13x = 18,877,463,785,507,996
  5. Step 5: Solve for x
    x = 18,877,463,785,507,996/158,068,017.13
  6. Step 6: Final answer
    x = 119,426,207.33

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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.