Home / 124,762,929.60-187,156,900.80-42,871,022.40

Finding the Fourth Proportional to 124,762,929.60, 187,156,900.80 and 42,871,022.40

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Solution

The fourth proportional to 124,762,929.60, 187,156,900.80 and 42,871,022.40 is: 64,310,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,762,929.60 : 187,156,900.80 = 42,871,022.40 : x
  2. Step 2: Convert to fraction form
    124,762,929.60/187,156,900.80 = 42,871,022.40/x
  3. Step 3: Cross multiply
    124,762,929.60x = 187,156,900.80 × 42,871,022.40
  4. Step 4: Simplify right side
    124,762,929.60x = 8,023,607,686,511,378
  5. Step 5: Solve for x
    x = 8,023,607,686,511,378/124,762,929.60
  6. Step 6: Final answer
    x = 64,310,831.05

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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.