Home / 105,721,719.60-158,582,579.40-98,547,266.10

Finding the Fourth Proportional to 105,721,719.60, 158,582,579.40 and 98,547,266.10

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Solution

The fourth proportional to 105,721,719.60, 158,582,579.40 and 98,547,266.10 is: 147,820,899.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,721,719.60 : 158,582,579.40 = 98,547,266.10 : x
  2. Step 2: Convert to fraction form
    105,721,719.60/158,582,579.40 = 98,547,266.10/x
  3. Step 3: Cross multiply
    105,721,719.60x = 158,582,579.40 × 98,547,266.10
  4. Step 4: Simplify right side
    105,721,719.60x = 15,627,879,650,956,178
  5. Step 5: Solve for x
    x = 15,627,879,650,956,178/105,721,719.60
  6. Step 6: Final answer
    x = 147,820,899.15

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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.