Home / 78,908,219,042.52-118,362,326,276.52-36,400,539,645.12

Finding the Fourth Proportional to 78,908,219,042.52, 118,362,326,276.52 and 36,400,539,645.12

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Solution

The fourth proportional to 78,908,219,042.52, 118,362,326,276.52 and 36,400,539,645.12 is: 54,600,808,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,908,219,042.52 : 118,362,326,276.52 = 36,400,539,645.12 : x
  2. Step 2: Convert to fraction form
    78,908,219,042.52/118,362,326,276.52 = 36,400,539,645.12/x
  3. Step 3: Cross multiply
    78,908,219,042.52x = 118,362,326,276.52 × 36,400,539,645.12
  4. Step 4: Simplify right side
    78,908,219,042.52x = 4,308,452,550,117,095,374,848
  5. Step 5: Solve for x
    x = 4,308,452,550,117,095,374,848/78,908,219,042.52
  6. Step 6: Final answer
    x = 54,600,808,412.56

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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.