Home / 147,634,979.81-221,452,547.48-38,459,862.05

Finding the Fourth Proportional to 147,634,979.81, 221,452,547.48 and 38,459,862.05

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Solution

The fourth proportional to 147,634,979.81, 221,452,547.48 and 38,459,862.05 is: 57,689,813.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,634,979.81 : 221,452,547.48 = 38,459,862.05 : x
  2. Step 2: Convert to fraction form
    147,634,979.81/221,452,547.48 = 38,459,862.05/x
  3. Step 3: Cross multiply
    147,634,979.81x = 221,452,547.48 × 38,459,862.05
  4. Step 4: Simplify right side
    147,634,979.81x = 8,517,034,426,509,575
  5. Step 5: Solve for x
    x = 8,517,034,426,509,575/147,634,979.81
  6. Step 6: Final answer
    x = 57,689,813.33

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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.