Home / 98,759,818.48-136,335,808.92-65,774,959.60

Finding the Fourth Proportional to 98,759,818.48, 136,335,808.92 and 65,774,959.60

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Solution

The fourth proportional to 98,759,818.48, 136,335,808.92 and 65,774,959.60 is: 90,800,919.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,759,818.48 : 136,335,808.92 = 65,774,959.60 : x
  2. Step 2: Convert to fraction form
    98,759,818.48/136,335,808.92 = 65,774,959.60/x
  3. Step 3: Cross multiply
    98,759,818.48x = 136,335,808.92 × 65,774,959.60
  4. Step 4: Simplify right side
    98,759,818.48x = 8,967,482,323,746,319
  5. Step 5: Solve for x
    x = 8,967,482,323,746,319/98,759,818.48
  6. Step 6: Final answer
    x = 90,800,919.46

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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.