Home / 129,367,373.67-178,526,051.37-70,630,036.97

Finding the Fourth Proportional to 129,367,373.67, 178,526,051.37 and 70,630,036.97

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Solution

The fourth proportional to 129,367,373.67, 178,526,051.37 and 70,630,036.97 is: 97,468,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,367,373.67 : 178,526,051.37 = 70,630,036.97 : x
  2. Step 2: Convert to fraction form
    129,367,373.67/178,526,051.37 = 70,630,036.97/x
  3. Step 3: Cross multiply
    129,367,373.67x = 178,526,051.37 × 70,630,036.97
  4. Step 4: Simplify right side
    129,367,373.67x = 12,609,301,607,478,590
  5. Step 5: Solve for x
    x = 12,609,301,607,478,590/129,367,373.67
  6. Step 6: Final answer
    x = 97,468,946.38

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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.