Home / 96,984,106.40-145,476,159.60-86,461,574.60

Finding the Fourth Proportional to 96,984,106.40, 145,476,159.60 and 86,461,574.60

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Solution

The fourth proportional to 96,984,106.40, 145,476,159.60 and 86,461,574.60 is: 129,692,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,984,106.40 : 145,476,159.60 = 86,461,574.60 : x
  2. Step 2: Convert to fraction form
    96,984,106.40/145,476,159.60 = 86,461,574.60/x
  3. Step 3: Cross multiply
    96,984,106.40x = 145,476,159.60 × 86,461,574.60
  4. Step 4: Simplify right side
    96,984,106.40x = 12,578,097,825,776,904
  5. Step 5: Solve for x
    x = 12,578,097,825,776,904/96,984,106.40
  6. Step 6: Final answer
    x = 129,692,361.90

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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.