Home / 112,896,002.40-169,344,003.60-72,585,218.40

Finding the Fourth Proportional to 112,896,002.40, 169,344,003.60 and 72,585,218.40

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Solution

The fourth proportional to 112,896,002.40, 169,344,003.60 and 72,585,218.40 is: 108,877,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,896,002.40 : 169,344,003.60 = 72,585,218.40 : x
  2. Step 2: Convert to fraction form
    112,896,002.40/169,344,003.60 = 72,585,218.40/x
  3. Step 3: Cross multiply
    112,896,002.40x = 169,344,003.60 × 72,585,218.40
  4. Step 4: Simplify right side
    112,896,002.40x = 12,291,871,486,036,386
  5. Step 5: Solve for x
    x = 12,291,871,486,036,386/112,896,002.40
  6. Step 6: Final answer
    x = 108,877,827.60

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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.