Home / 340,520,055.63-510,780,089.04-81,735,275.53

Finding the Fourth Proportional to 340,520,055.63, 510,780,089.04 and 81,735,275.53

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Solution

The fourth proportional to 340,520,055.63, 510,780,089.04 and 81,735,275.53 is: 122,602,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,520,055.63 : 510,780,089.04 = 81,735,275.53 : x
  2. Step 2: Convert to fraction form
    340,520,055.63/510,780,089.04 = 81,735,275.53/x
  3. Step 3: Cross multiply
    340,520,055.63x = 510,780,089.04 × 81,735,275.53
  4. Step 4: Simplify right side
    340,520,055.63x = 41,748,751,312,922,336
  5. Step 5: Solve for x
    x = 41,748,751,312,922,336/340,520,055.63
  6. Step 6: Final answer
    x = 122,602,914.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.