Home / 130,445,019-180,016,400.70-71,710,159.68

Finding the Fourth Proportional to 130,445,019, 180,016,400.70 and 71,710,159.68

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Solution

The fourth proportional to 130,445,019, 180,016,400.70 and 71,710,159.68 is: 98,961,270.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,445,019 : 180,016,400.70 = 71,710,159.68 : x
  2. Step 2: Convert to fraction form
    130,445,019/180,016,400.70 = 71,710,159.68/x
  3. Step 3: Cross multiply
    130,445,019x = 180,016,400.70 × 71,710,159.68
  4. Step 4: Simplify right side
    130,445,019x = 12,909,004,839,215,864
  5. Step 5: Solve for x
    x = 12,909,004,839,215,864/130,445,019
  6. Step 6: Final answer
    x = 98,961,270.72

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1.5x scale

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.