Home / 96,768,020.10-145,152,030.15-86,914,272.90

Finding the Fourth Proportional to 96,768,020.10, 145,152,030.15 and 86,914,272.90

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Solution

The fourth proportional to 96,768,020.10, 145,152,030.15 and 86,914,272.90 is: 130,371,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,768,020.10 : 145,152,030.15 = 86,914,272.90 : x
  2. Step 2: Convert to fraction form
    96,768,020.10/145,152,030.15 = 86,914,272.90/x
  3. Step 3: Cross multiply
    96,768,020.10x = 145,152,030.15 × 86,914,272.90
  4. Step 4: Simplify right side
    96,768,020.10x = 12,615,783,160,446,130
  5. Step 5: Solve for x
    x = 12,615,783,160,446,130/96,768,020.10
  6. Step 6: Final answer
    x = 130,371,409.35

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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.