Home / 98,759,818.98-136,335,809.62-65,774,960.10

Finding the Fourth Proportional to 98,759,818.98, 136,335,809.62 and 65,774,960.10

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Solution

The fourth proportional to 98,759,818.98, 136,335,809.62 and 65,774,960.10 is: 90,800,920.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,759,818.98 : 136,335,809.62 = 65,774,960.10 : x
  2. Step 2: Convert to fraction form
    98,759,818.98/136,335,809.62 = 65,774,960.10/x
  3. Step 3: Cross multiply
    98,759,818.98x = 136,335,809.62 × 65,774,960.10
  4. Step 4: Simplify right side
    98,759,818.98x = 8,967,482,437,956,697
  5. Step 5: Solve for x
    x = 8,967,482,437,956,697/98,759,818.98
  6. Step 6: Final answer
    x = 90,800,920.16

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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.