Home / 143,134,421.60-214,701,632.40-120,963,490.40

Finding the Fourth Proportional to 143,134,421.60, 214,701,632.40 and 120,963,490.40

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Solution

The fourth proportional to 143,134,421.60, 214,701,632.40 and 120,963,490.40 is: 181,445,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,134,421.60 : 214,701,632.40 = 120,963,490.40 : x
  2. Step 2: Convert to fraction form
    143,134,421.60/214,701,632.40 = 120,963,490.40/x
  3. Step 3: Cross multiply
    143,134,421.60x = 214,701,632.40 × 120,963,490.40
  4. Step 4: Simplify right side
    143,134,421.60x = 25,971,058,849,681,732
  5. Step 5: Solve for x
    x = 25,971,058,849,681,732/143,134,421.60
  6. Step 6: Final answer
    x = 181,445,235.60

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1.5x scale

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.