Home / 282,931,577.51-390,445,594.95-157,481,072.83

Finding the Fourth Proportional to 282,931,577.51, 390,445,594.95 and 157,481,072.83

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Solution

The fourth proportional to 282,931,577.51, 390,445,594.95 and 157,481,072.83 is: 217,323,890.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,931,577.51 : 390,445,594.95 = 157,481,072.83 : x
  2. Step 2: Convert to fraction form
    282,931,577.51/390,445,594.95 = 157,481,072.83/x
  3. Step 3: Cross multiply
    282,931,577.51x = 390,445,594.95 × 157,481,072.83
  4. Step 4: Simplify right side
    282,931,577.51x = 61,487,791,173,357,944
  5. Step 5: Solve for x
    x = 61,487,791,173,357,944/282,931,577.51
  6. Step 6: Final answer
    x = 217,323,890.52

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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.