Home / 315,257,831.46-472,931,878.50-96,926,506.20

Finding the Fourth Proportional to 315,257,831.46, 472,931,878.50 and 96,926,506.20

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Solution

The fourth proportional to 315,257,831.46, 472,931,878.50 and 96,926,506.20 is: 145,403,634.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,257,831.46 : 472,931,878.50 = 96,926,506.20 : x
  2. Step 2: Convert to fraction form
    315,257,831.46/472,931,878.50 = 96,926,506.20/x
  3. Step 3: Cross multiply
    315,257,831.46x = 472,931,878.50 × 96,926,506.20
  4. Step 4: Simplify right side
    315,257,831.46x = 45,839,634,653,607,896
  5. Step 5: Solve for x
    x = 45,839,634,653,607,896/315,257,831.46
  6. Step 6: Final answer
    x = 145,403,634.99

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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.