Home / 157,161,710.70-235,742,566.05-47,986,670.70

Finding the Fourth Proportional to 157,161,710.70, 235,742,566.05 and 47,986,670.70

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Solution

The fourth proportional to 157,161,710.70, 235,742,566.05 and 47,986,670.70 is: 71,980,006.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,161,710.70 : 235,742,566.05 = 47,986,670.70 : x
  2. Step 2: Convert to fraction form
    157,161,710.70/235,742,566.05 = 47,986,670.70/x
  3. Step 3: Cross multiply
    157,161,710.70x = 235,742,566.05 × 47,986,670.70
  4. Step 4: Simplify right side
    157,161,710.70x = 11,312,500,887,014,352
  5. Step 5: Solve for x
    x = 11,312,500,887,014,352/157,161,710.70
  6. Step 6: Final answer
    x = 71,980,006.05

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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.