Home / 145,539,151.80-218,308,727.70-72,767,164.20

Finding the Fourth Proportional to 145,539,151.80, 218,308,727.70 and 72,767,164.20

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Solution

The fourth proportional to 145,539,151.80, 218,308,727.70 and 72,767,164.20 is: 109,150,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,539,151.80 : 218,308,727.70 = 72,767,164.20 : x
  2. Step 2: Convert to fraction form
    145,539,151.80/218,308,727.70 = 72,767,164.20/x
  3. Step 3: Cross multiply
    145,539,151.80x = 218,308,727.70 × 72,767,164.20
  4. Step 4: Simplify right side
    145,539,151.80x = 15,885,707,034,838,988
  5. Step 5: Solve for x
    x = 15,885,707,034,838,988/145,539,151.80
  6. Step 6: Final answer
    x = 109,150,746.30

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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.