Home / 96,768,140.60-145,152,210.90-86,914,393.40

Finding the Fourth Proportional to 96,768,140.60, 145,152,210.90 and 86,914,393.40

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Solution

The fourth proportional to 96,768,140.60, 145,152,210.90 and 86,914,393.40 is: 130,371,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,768,140.60 : 145,152,210.90 = 86,914,393.40 : x
  2. Step 2: Convert to fraction form
    96,768,140.60/145,152,210.90 = 86,914,393.40/x
  3. Step 3: Cross multiply
    96,768,140.60x = 145,152,210.90 × 86,914,393.40
  4. Step 4: Simplify right side
    96,768,140.60x = 12,615,816,361,042,370
  5. Step 5: Solve for x
    x = 12,615,816,361,042,370/96,768,140.60
  6. Step 6: Final answer
    x = 130,371,590.10

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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.