Home / 86,490,916.40-119,357,386.90-48,822,010.98

Finding the Fourth Proportional to 86,490,916.40, 119,357,386.90 and 48,822,010.98

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Solution

The fourth proportional to 86,490,916.40, 119,357,386.90 and 48,822,010.98 is: 67,374,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,490,916.40 : 119,357,386.90 = 48,822,010.98 : x
  2. Step 2: Convert to fraction form
    86,490,916.40/119,357,386.90 = 48,822,010.98/x
  3. Step 3: Cross multiply
    86,490,916.40x = 119,357,386.90 × 48,822,010.98
  4. Step 4: Simplify right side
    86,490,916.40x = 5,827,267,653,775,908
  5. Step 5: Solve for x
    x = 5,827,267,653,775,908/86,490,916.40
  6. Step 6: Final answer
    x = 67,374,331.27

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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.