Home / 249,326,740.31-344,105,081.69-143,477,980.29

Finding the Fourth Proportional to 249,326,740.31, 344,105,081.69 and 143,477,980.29

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Solution

The fourth proportional to 249,326,740.31, 344,105,081.69 and 143,477,980.29 is: 198,019,282.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,326,740.31 : 344,105,081.69 = 143,477,980.29 : x
  2. Step 2: Convert to fraction form
    249,326,740.31/344,105,081.69 = 143,477,980.29/x
  3. Step 3: Cross multiply
    249,326,740.31x = 344,105,081.69 × 143,477,980.29
  4. Step 4: Simplify right side
    249,326,740.31x = 49,371,502,127,689,264
  5. Step 5: Solve for x
    x = 49,371,502,127,689,264/249,326,740.31
  6. Step 6: Final answer
    x = 198,019,282.12

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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.