Home / 130,256,727.06-179,756,854.19-71,518,878.40

Finding the Fourth Proportional to 130,256,727.06, 179,756,854.19 and 71,518,878.40

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Solution

The fourth proportional to 130,256,727.06, 179,756,854.19 and 71,518,878.40 is: 98,697,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,256,727.06 : 179,756,854.19 = 71,518,878.40 : x
  2. Step 2: Convert to fraction form
    130,256,727.06/179,756,854.19 = 71,518,878.40/x
  3. Step 3: Cross multiply
    130,256,727.06x = 179,756,854.19 × 71,518,878.40
  4. Step 4: Simplify right side
    130,256,727.06x = 12,856,008,596,381,142
  5. Step 5: Solve for x
    x = 12,856,008,596,381,142/130,256,727.06
  6. Step 6: Final answer
    x = 98,697,463.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.