Home / 52,030,902,925.52-78,031,213,533.56-20,152,465,779.94

Finding the Fourth Proportional to 52,030,902,925.52, 78,031,213,533.56 and 20,152,465,779.94

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Solution

The fourth proportional to 52,030,902,925.52, 78,031,213,533.56 and 20,152,465,779.94 is: 30,222,834,355.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,030,902,925.52 : 78,031,213,533.56 = 20,152,465,779.94 : x
  2. Step 2: Convert to fraction form
    52,030,902,925.52/78,031,213,533.56 = 20,152,465,779.94/x
  3. Step 3: Cross multiply
    52,030,902,925.52x = 78,031,213,533.56 × 20,152,465,779.94
  4. Step 4: Simplify right side
    52,030,902,925.52x = 1,572,521,360,502,490,398,720
  5. Step 5: Solve for x
    x = 1,572,521,360,502,490,398,720/52,030,902,925.52
  6. Step 6: Final answer
    x = 30,222,834,355.83

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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.